WOOD WORK LIST OF INDIAN STANDARDS

1. 204-1991 (Part 1) Specification for tower bolts (ferrous bolt)

2. 204-1992 (Part 11) Specification for tower bolts (non ferrous metals)

3. 205-1992 Specification for non ferrous metal butt hinges

4. 206-1992 Specification for Tee and strap hinges

5. 207-1964 Gate and shutter hook and eye

6. 208-1987 Specification for door handles

7. 281-1991 Specification for mild steel door bolts for use with pad locks .

8. 287-1973 Recommendations for maximum permissible moisture content of

timber used for different purpose

9. 303-1989 Sepcification for plywood for general purposes

10. 362-1991 Specification for parliament hinges

11. 363-1976 Specification for hasps and stapple

12. 364-1970 Specification for fan light catch

13. 401-1982 Code of practice are preservation of timber

14. 4I 0-1967 Putty for use on window frames

15. 420-1953 Putty for use on metal frames

16. 451-1973 Technical supply condition for wood screws

17. 452-1973 Specification lot, door spring rat tail type

18. 453-1973 Specification for double acting spring hinge

19. 723-1972 Specification for steel counter sunk hoad wire nails.

20. 729-1979 Specification for drawer lock, cup hoard lock and box locks,

21. 848-1974 Specification for synthetic resin adhesive for ply-wood (phoenix and

amino plastic)

22. 851-1978 Specification for synthetic resin adhesive for constn work (non

structural in wood)

23. 852-1969 Specification for animal glue for general wood work purpose.

24. 1003 (Part 1-199) Specification timber paneled and glazed shutter part I (door

shutters)

25. 1003 Pt 1-1993 Specification for timber paneled and glazed shutter part II

(window and ventilator shutter)

26. 1141-1973 Specification for axle of practice for seasoning of lii;iher

27. 1200 Part XIV-1985 Method of measurement of building and civil engg. work glazing

28. 1200 Part X11-1973 Wood work and joinery

29. 1328-1982 Specification for veneered decorative plywood

30. 1341-1992 Specification for steel butt hinges

31. 1378-1987 Specification for oxidized copper finishes

32. 1566-1982 Specification for hard drawn steel wire fabric

33. 1568-1970 Specification for wire cloth for general purpose.

34. 1658-1977 Specification for hard and drawn steel wire fabric

35. 1659-1990 Specification for block boards

36. 1708-(Part 18) 1986- Testing of small clear specimen for timber

37. 1734-1983 Determination of density and moisture content.

38. 1761-1970 Transparent steel glass for glazing and traming purpose

39. 1823-1980 Specification for floor door stopper

40. 183?-1966 Specification for fun light pivots.

41. 1868-1982 Specification for anodic coating on aluminum and its alloy

42. 2095-1976 Specification for gypsum plasterboard

43. 2096-1966 Specification for asbestos cement flat sheet

44. 2202 Pt I (1991) Specification for wooden flush door shutter cellular and

hollow core type) ply wood face panels

45. 2202 (Part II 1983) Cellular and hollow core type-part 2 particle board and hard board

face panel

46. 2209 (Part I 1976) Specification for mortice Lock.

47. 2380-1981 Method of test for wood praticle board and board for nocellulosic

materials

48. 2547-1976 Specification for gypsum plaster

49. 2835-1977 Flat transparent glass sheet

50. 2681-1979 Specification for non-ferrous metal sliding door bolts use with pad

locks.

51. 3087-1985 Specification for wood particleboard (Medium density) for general

purpose.

52. 3097-1985 Specification for veneered particleboard.

53. 3828-1966 Specification for ventilator chain

54. 3400-1980 (part II) Method of test for Vulcanized rubber (hardness)

55. 3400-19$7 (part IV) Accelerated aging.

56. 3400-1987 (part IX) Density.

57. 3564-1986 Specification for door closer (hydraulically regulated)

58. 3618-1967 Phosphate treatment of iron and steel for protection against

corrosion

59. 3813-1967 “C” hooks for use with swivels

60. 3847-1986 Specification for mortise night latch

61. 41335-1979 Specification for polyvinyl acetate dispersion based adhesive for

wood

62. 4948-1974 Specification for welded steel wire fabric for general use.

63. 4992-1975 Specification for rebated mortise lock

64 5187-1972 Specification for flush bolts

65. 5930-1970 Specification for mortice latch

66. 6318-1971 Specification for plastic wire window fasteners

67. 6607-1972 Specification for rebated mortise lock (vertical type)

68. 6760-1970 Slotted counter sunk head wood screws.

69. 7196-1974 Specification for hold fast

70. 7534-1985 Specification for sliding locking bolts for use with pad lock

71. 8756-1978 Specification for mortice ball catch for use in wooden almirah

72. 2406-1988 Specification for medium density fibre board

TERMINOLOGY (WOOD-WORK)

Beam

A structural timber generally long in proportion to its width and thickness and used for supporting

load primarily by its internal resistance to bending.

Block Board

A Board having a core made up of strips of wood, each not exceeding 25 mm in width, laid

separately or glued or otherwise joined to form a slab which is glued between two or more outer

veneers with the direction of the grain of the core blocks running at right angles to that of the

adjacent outer veneers.

Core

The inner layers of a composite wood product

Cross Band

A general term indicating a transverse layer of veneer and veneers in composite wood products.

Decorative Veneers

Veneers having attractive appearance due to figure, colour, grain etc. Veneer shall be free from any

flare, saw mark or any type of spots other their grains. FACE VENNER .6MM THK

Freeze Rail

Horizontal member, mortised or otherwise secured to the stiles of a door, provided just below the

freeze panel usually provided for decorative purposes in the uppermost portion of the door.

Joint

A prepared connection for joining adjacent pieces of wood, veneer, etc.,

Dovetail Joint

A joint at the comes of two pieces in such a way that the notches made in one are fitted exactly into

projections of corresponding size and shape made in the other. There are various kinds of dovetail

joints for instance, lapped dovetail joint, wedge shaped dovetail joint etc. joined in away which will

resist withdrawal except in the direction m which it was assembled (Fig 1C )

Mitered Joint

A joint, between two members at and angle which bisects the joining angle usually the joining faces

are cut at 45° to form a right angle (Fig 1 B)

Mortise and Tenors Joint

A joint in which the reduced end (tenon) of one member fits into the corresponding slot (mortise) in

another member (Fig 1 D)

Tongue arid Groove Joint

A joint in which a tongue is provided on edge of one member to fit into a corresponding groove on

the other (Fig 1 A)

Knot

Base of a branch or limb embedded in the tree which becomes visible when it is cut.

Diameter of a Knot

The maximum distance between two points farthest apart on the periphery of around knot, on the

face where it becomes visible. In the case of a spike or splay knot, the maximum width of the knot

visible on the face on which it appears shall be taken as its diameter.

Muntin

Small horizontal or vertical dividing bars within the basic framework of a window, or door sub--

dividing and supporting the glass panes or panels of doors.

Particle Board

A board manufactured from particles of wood or other lignocellulose material, for example, flakes.

granules, shavings, slivers, splinter aglomerated, formed and pressed together by use of an organic

binder together with one or more of the agents, such as heat, pressure, moisture and a catalyst.

Particle

Distinct particle or fraction of wood, or other lignocellulose material produced mechanically for use

as the aggregate for making a particle board. This may be in the form of flake, granule, shaving,

splinter and sliver.

Plywood

A board formed of three or more layers of venears cemented or glued together, usually with the

grain of adjacent veneers running at right angles to each other.

Rebate

A recess along the edge of a piece of timber to receive another piece or a door, sash or a frame.

Sapwood

The outer layers of the log, which in the growing true contain living cells and feed material. The

sapwood is usually lighter in colour and is readily attacked by insects and fungi.

Seasoning

A process involving the reduction of moisture content in timber under more or less controlled

conditions towards or to an amount suitable for the purpose for which it is to be used.

Seasoned Timber

Timber whose moisture content has been reduced to the specified minimum, under more or less

controlled processes of drying.

Structural Timber

Timber used in framing and load bearing structures or timbers used or intended for use in buildings

where strength is the primary consideration .

9.1 Timber

Timber is classfied as under :

(i) Teak wood .

(ii) Deodar wood.

(iii) Non coniferrous timbers other than teak .

(iv) Coniferrous timber other than deodar .

The timber shall be free from decay, fungal growth, boxed heart, pitch pockcts; or streaks on the

exposed edges, splits and cracks. The timber shall be graded as first grade, and second grade on

the basis of the permissible defects in the timber as given in Appendix ‘A’ on page 47. For both the

grades, knots should be avoided over a specified limit.

9.1.4. Kail Wood (Pinus Wallichiana) :

Kail Wood is not a very durable wood. But it is easy to saw and work and it usually very popular in

wokshops. It can be brought to a fine smooth surface, but is morn suitable for palnt and enamel

finishes than for polish work. It is useful for joinery works, constructional work, light furniture and

house fitments.

9.1.4.1 First Class Kail Wood :

No individual hard and sound knot shall exceed 25 mm in diameter and the aggregate area of all the

knots shall not exceed 1 % of the area of the piece. Wood shall be generally free from sapwood, but

traces of sapwood shall be allowed.

9.1.5.4 Mango (Mangifera Indica):

It is a very sturdy wood when seasond and it is as good as teak in this respect but is not a very

durable wood in exposed positions immune to white ant attack. It receives preservative treatment

well. It can be easily finished to smooth surface.

9.1.6 Moisture Content :

Control on moisture content of timberis necessary to ensure its proper utility in various climatic

conditions. For specifying the permissible limit of moisture content in the timber the country has

been divided into four climatic zones as per C.P.W.D. specifications. In each of the zones, maximum

permissible limit of mositure content of timber for different uses, when determined in accordance

with the procedure laid down.

9.1.6.1 Tolerance on Moisture Content :

Average Moistrue content of all the samples from a lot shall be within +3 percent and moisture

content of individual samples within + 5 percent of maximum permissible moisture content.

9.2 Panelling material :

9.2.1 Timber:

Timber panels shall be preferably made of timber of larger width. The minimum width and thickness

of a panel shall be 150 mm and 15 mm respectively. When made from more; than one piece, the

pieces shall be joined with a continuous tongue and groove joint, glued together and reinforced

withmetal dowels. The grains of timber panels shall nun along the longer dimensions of the panels.

The panels shall be designed such that no single panel exceeds 0.5 square metre in area.

9.2.2 Ply wood boards :

Ply wood boards are formed by gluing and pressing three or more layers of veneers with the grains

of adjacent veneers running at right angles to each other. The veneers shall be either rotary cut or

sliced and shall be sufficiently smooth to permit an even spread of glue. Face veneers may be either

commercial or decorative oil both sides or one side commercial and the other decorative. Plywood

shall be of BWP grade or BWR grade as per IS:303-1989 .

9.2.2.2 Adhesive :

Adhesive used for bonding BWP grade of ply wood boards shall BWP type synthetic resins

conforming to IS: 848 -1974 respectively.

9.2.2.3 The thickness of all veneers shall be uniform, within a tolerance of ±5 percent.

Corresponding veneers on either side of the centre one shall be of the same thickness and species.

The requirements of thickness and core veneers shall be as follows:

(a) In 3 ply boards upto 5 mm thick . The combined thickness of the face veneers shall not

exceed twice the thickness of centre ply.

(b) In a multiply boards, the thickness of any veneer shall not be more than thrice the thickness

of any other veneer.

(c) The sum of the thickness of the veneers in one direction shall approximate to the sum of the

thickness of the veneers at right angel to them alai shall not be greater than 1.5 times this sums

except for 3 ply.

9.2.2.4: Thickness:

Plywood boards are available in thickness ranging form 3 to 25 mm. Tolerance ill thickness shall be

± 10 % for boards upto and including 5 mm; ± 7 % for boards from 0 to 9 mm and ± 5% for

boards above 9 mm thickness. Vie boards shall be of uniform thickness and the surfaces of the

boards shall be sanded to a smooth finish.

9.2.2.5 Moisture content of the plywood boards when tested in accordance with IS: 1783 (Part 1)-

1972 shall not be less than 5 percent and not more than 15 Percent.

9.2.2.6 Testing :

One sample for every 100 sqm or part there of shall be taken and testing done as per IS 303-1989.

However, testing may not be done if the total requirement of ply wood boards is less than 30 sqm.

All the samples tested shall meet the requirements of physical and mechanical properties of plywood

boards specified.

9.2.2.7 Thickness :

Type of face veneer and grade of plywood boards shall be as specified. Unless otherwise stated,

only BWP grade plywood boards shall be used.

9.2.3 Particle Boards :

9.2.3.1 Particle boards shall be of medium density and manufacture of from particles of agro waste,

wood or lignocllulose i.e. material blended with adhesive and formed into solid panels under the

innuence of heat, moisture, pressure etc. The particle boards shall be flat pressed with single, three

or multi layers and graded and of Type I as per Table 1 of IS:3087 -1985. Both surfaces of the

boards shall be sanded to obtain a smooth finish.

9.2.3.2 Adhesives:

Adhesives used for bonding shall be BWP type synthetic resin conforming to IS: 348-1974.

9.2.3.3 Thickness And Tolerance :

Particle boards are available in thickness ranging from 6 mm to 40 mm. Tolerance in thickness shall

be ± 5% for boards upto and including 25 mm thick and ± 2.5 percent for hoards above 25 mm

thickness. Each board shall be of uniform thickness.

9.2.3.4 Testing :

One sample for every 100 sqm or part there of shall be taken and testing done as per IS: 3087 -

1985. However, testing may not be done if the total requirement of particle boards in a work is less

than 30 sqm. All the samples tested shall meet the requirement of physical and mechanical

properties of particle boards.

9.2.3.5 Thickness of particle boards and adhesive used for bonding shall be as specified. Unless

otherwise stated, only type I particle boards bonded with BWP type synthetic resin adhesive shall be

used.

9.2.4 Veneered Particle Boards

9.2.4.1 Veneered Particle Boards have a solid core of medium density Type I particle board which is

covered with commercial or decorative veneers on one face and commercial veneers on the other.

Face veneers are bonded using adhesives under the influence of heat and pressure. Veneered

particle board shall be of exterior grade (Grade I) as per IS: 3097-1980. Both surfaces of the

boards shall be sanded to a smooth finish.

9.2.4.2 Adhesives :

The adhesive used for bonding shall be BWP synthetic resin conforming it IS: 848 -1974.

9.2.4.3 Thickness & Tolerance

Veneered particle boards are available in thickness ranging form 6 to 50 mm. Tolerance in thickness

shall be ± 5% for boards upto and including 25 mm thick and ± 2.5% for boards above 25 mm

thickness. Each board shall he of uniform thickness.

9.2.6 Block Board

9.2.6.1 Block Boards have a solid core made up of uniform strip of wood each not exceeding 25 mm

in width, laid separately, or spot glued, or otherwise joined to form a slab which is glued. between

two or more outer veneers, with the direction of the grain of the core block running at right angles

to that of adjacent veneers. In any one block board, the core strips shall be of one; spacies of

timber only. Face veneers may be decorative or commercial on both faces or decorative on one face

and commercial on the other. Block boards shall be Grade I (Exterior Grade) as per IS: 1659-1990.

Both surfaces of the boards shall be sanded to a smooth finish.

9.2.6.2 :Adhesives:

The adhesives used for bounding shall be BWP type synthetic resin conforming to IS: 848 -1974 for

Grade I block boards .

9.2.6.3 Thickness and Tolerance:

Block boards arc available in thickness ranging from 12 to 50 mm. Tolerance in thickness shall be ±

5 % for boards upto and including 25 mm thick and ± 2.5 % for boards above 25 mm thickness.

Each board shall be of uniform thickness.

9.2.6.4 Testing:

One simple for every 100 sqm or part there of shall be taken and testing done as per IS: 1659 -

1990. However, testing may not be done if the total requirement of block boards in a work is less

than 30 sqm. All the samples tested shall meet the requirements of physical and mechanical

properties of block boards specified in the relevant B.I.S code.

9.2.6.5 Type of face veneers, thickness and grade of block boards shall be as specified. Unless

otherwise stated, grade 1(exterior grade) block board bonded with BWP grade be used.

9.2.7 Asbestos cement board: This should conform to IS: 2096 -1966. The material used in the

manufacture of asbestos cement building boards shall be composed of an inert aggregate consisting

of clean asbestos fibre cemented together by ordinary Portland cement, rapid hardening and low

heat portland cement, or blast furnance slag cement, No organic or inorganic materials shall be

added to the composition. Pigments, which are embodied in the asbestos cement for colouring pur-

pose, shall be of permanent colours and shall conform to the requirements. The thickness of the

asbestos cement board used for paneling shall not generally be less than 6.5 mm in case of single

panels shutters and 5 mm in case of two or more panel shutter. Asbestos cement building boards

shall be of two classes, namely class ‘A’ and class B. The thickness of class A shall be 6.5 mm and

for class ‘B’ 5 mm. The tolerance on thickness shall be ± 0.5 mm .

9.2.8 Fibre Boards

9.2.8.1 Fibre boards shall be of medium density and manufactured from wood fibre, produced by

fiberizing steamed wood under pressure, blended with adhesive and wax and formed into solid

panels under controlled conditions of heat and pressure. Fibre boards are flat pressed single layer

and shall be Exterior Grade as per IS; 12406-1988. Both surfaces of the boards shall be sanded to a

smooth finish.

9.2.8.2 Adhesives:

The adhesive used for bonding shall be BWP type synthetic resin conforming to IS: 848 -1974.

9.2.8.3 Thickness:

Fibre boards are available in thickness ranging form 6 to 40 mm. The tolerance in thickness shall be

± 0.3 mm upto and including 9 mm thickness and ± 0.6 mm for thickness above 9 mm.

9.2.8.4 Testing: One sample for every 100 sqm or part there of shall be taken and testing done as

per IS: 12406-1988. However, testing may not be done if the total requirement of fibre boards in a

work is less than 30 Sqm. All the samples tested shall meet the requirements of physical and

mechanical properties of fibre boards specified in the relevent BIS codes.

9.2.8.5 Thickness of fiberboards and adhesive used for bonding shall be as specified. Unless

otherwise stated, exterior grade fiberboard bonded with BWP type synthetic resin adhesive shall be

used.

9.2.11. Gypsum Board

Gypsum Board is ‘formed by enclosing and bonding together a core gypsum plaster (a clacium

sulphatc mineral) with or without fibre between two sheets of highly durable paper. The gypsum

boards shall be non resonent. dimensionally stable and posseses flame retrdant qualities. The

boards shall conform to IS: 2095 - 1976 and gypsum plaster shall conform to IS: 2547-1976. The

surfaces of the board shall be true and free from imperfection that would render the board unfit for

use with or without decoration.

9.2.11.1 Types

Gypsum plasterboards are classified according to their use.

9.2.11.2 Gypsum Wall board with Reduced Water Absorption Rate:

These boards have additives in the core and/or the paper liners to reduce the water absorption rate.

They may be; suitable for special applications in buildings where reduced absorption properties are

required to improve the performance of the baord. Unless stated otherwise, decoration may be

applied to the face.

9.2.11.3 Gypsum Wallboard with Improved Core Cohesion at High Temperatures:

These baords have mineral fibres and /or other additives in the gypsum core to improve core

cohesion at high temperatures. They have a face suitable for direct decoration.

9.2.11.4 Gypsum plaster Base Board :

These boards have mineral fibres and/orother additives in the gypsum core to improve core

cohesion at high temperatures. They have a face suitable to receive gypsum plaster and may be

perfonued during primary manufacture

9.2.11.5 Gypsum plaster Base Board with improved Core Cohesion at High Temperatures:

These boards have mineral fibers and / or other additives in the gypsum core to improve core

cohesions at high temperatures. They have a face suitable to receive gypsum plaster and may be

perforated during primary manufacture.

Breaking load for gypsum plasterboards, shall be in accordance with Table 5, given below

Table 5

BREAKING LOAD OF GYPSUM PLASTER BOARDS

Type of Board Thickness Breaking load. Min

Transverse Longitu dinal

Direction Direction

(1) (2) (3) (4)

mm N N

Plaster Board 9.5 140 360

12.5 180 500

15.0 220 650

9.5 123 180

12.5 165 235

9.3 DOOR, WINDOW AND VENTILATOR FRAMES

9.3.1 Timber for door, window and ventilators frames shall be as specified. Timber shall be sawn in

the direction of the grains. All members of a frame shall be of the same species of timber and shall

be straight without any warp or bow. Frames shall have smooth, well planed (wrought) surfaces

except the surfaces touching the walls, lintels, sill etc., which may be left clean sawn, Rebates,

rounding or moulding shall be done before the members are jointed into frames. The depth of the

rebate for housing the shutters shall, be 15 mm, and the width of the rebates shall be equal to the

thickness of the shutters. A tolerance of ±3 mm and 2mm shall be permitted in the specified

finished dimensions of timber sections in frames.

9.3.2 Joints:

The frames shall have dovetail joints (Fig. (1 c). The Jamb posts shall be through tenoned in to the

mortise of the transoms to the full thickness of the transoms and the thickness of the tenon shall be

not less than 2.5. cm. The tenons shall closely fit into the mortise without any wedging or filling.

The contact surface of tenon and mortise before putting together shall be glued with polyvinyl

accetate dispersion based adhesive conforming to IS 4835 - 1979 or adhesive conforming the WBP

or MR grade of IS: 851 - 1978 and pinned with 10 mm dia hard wood dowels, or bamboo pins or

star shaped metal pins. The joints shall be at right angles when checked from the inside surfaces of

the respective members. The joints shall be pressed in position. Each assembled.door frame shall be

fitted with a temporary stretcher and a temporary diagonal brace on the rebated faces.

9.3.3 Fixing of Frames:

The frames shall be got inspected approved by the Engineer-in-Charge before being painted, oiled

or otherwise treated and before fixing in position. The surface of the frames abutting masonary or

concrete and the portions of the frames embedded in floors shall be given a coating of coal tar.

Frames shall be fixed to the abutting masonry br concrete with holdfasts or metallic fastners as

specified. After fixing, the jamb posts of the frames shall be plugged suitably and finished neat.

Vertical members of the door frames shall be embedded in the floor for the full thickness .of the

floor finish and shall be suitably strutted and wedged in order to prevent warping during

construction. A minimum of three holdfasts shall be fixed on each side of door and window frames

one at centre point and other two at 30 cm from the top and bottom of the frames. In case of

window and ventilator frames of less than 1 m in height two holdfasts shall be fixcd on each side at

quarter point of the frames. Holdfasts and metallic fastners shall be measured and paid for sepa-

rately.

9.3.4 Measurements

Wood work wrought, framed and fixed shall be measured for finished dimension without any

allowance for the wastage or for dimensions beyond specified dimension without any allowance for

the wastage or for dimensions beyond specified dimensions. However, in case of members having

mouldings, roundings or rebates and members of circular or varying sections, finished dimensions

shall be taken as the sides of the smallest square or rectangle from which such a section can be cut.

length of each member shall be measured over all to the nearest cm so as to include projection for

tenons. Width and thickness shall be measured to the nearest mm and tire quantity shall be worked

out in unit of 10 cubic decimeter in whole numbers.

9.3.5 Rate

The rate shall include the cost of material and labour involved in all the operational described above

except the hold fasts or metallic fastners which will be paid for separately.

9.4 FALSE CEILING AND PARTITION FRAMES

This work shall be done as specified in 9.3 except that the scantlings need not be planed unless

otherwise specified.

9.5 TRUSSES

9.5.0 The work shall be carried out as per detailed drawings and as directed by tire Engineer-in-

Charge Specified timber shall be used. Sawing shall be truly straight and square, and in the direction

of the grains. The scantlings shall be accurately planned smouoth to the full dimensions and rebate

roundings and mouldings shown in the drawings, before the same are framed. Patching or plugging

of any kind shall not be permitted. A tolerance of ± 2mm shall be allowed in the finished cross

sectional dimension.

9.5.1 Joints:

Joints shall be simple, neat and strong. All mortise and tenon joints, mitred joints, scarfs etc. shall fit

in fully and accurately without wedging or fillings. The joints shall be as per detailed drawings. Holes

of correct sizes shall be drilled before inserting screws/bolls. Holes for bolts shall be of uniform

diameter. The screws, bolt, and nails shall be clipped in oil before using. The heads of nails and

screws shall be sunk and puttied or dealt with as instructed by Engineer-in-Charge. The gauge and

Length of nails, screws and bolts shall be approved by the Engineer-in-Charge before using on

works.

9.5.2 Shaping Form and Cutting:

The wood sections, as specified or required, shall be straightened, cut square and to correct lengths.

A line accuracy shall be ensured in the fabrication of various member so that these can be

assembled without being unduly packed, strained or forced into position and when build up, shall be

true to shape and free from twist, kinks, buckles or open joints.

9.5.3 Fabrication:

As per drawing, a full size truss diagram shall first be drawn on a level platform. From this full size,

diagram, templates of all joints as for tenons, mortises, scarves etc. shall be made for use in the

fabrication. The template shall be made to correspond to each member and plate holes for screws

and bolts shall be marked accurately on them and drilled, The templates shall be laid on wooden

members and the holes for screwing and bolting marked on them. The ends of the wooden

members shall also be marked for cutting. The base of columns and the position of anchor bolts

shall be carefully set out. Before fabrication of the truss individual member shall be assembled

togethcr to ensure close abutting or lapping of the surfaces of the different members and fitted

close together as per drawing.

9.5.4. Hoisting and placing in position:

The trusses shall be hoisted and placed in position carefully, without any damage to itsclf and other

building work and injury to workman. the trusses shall be secured to walls by means of holding

down bolts or as directed by the Engineer-in-Charge. The necessary mechanical appliances such as

lifting tackel, winch etc. for hoisting the truss shall be used. The trusses shall be stayed temporaily

till they are permanently secured in position and connected with each other by means of purlins.

Holding down bolts cleats used for purfins and bottom plates used for tie and rafter member shall

be paid for separately.

9.5.5 Surface Treatment:

Wood work shall not be painted, oiled or otherwise treated before it has been approved by the

Engineer-in-Charge. All portions of timber built into or against or close to masonry or concrete of

hurried in ground shall be given two coats of boiling coaltar. All junctions of rafters, purlins, beams

and wall plates shall be painted with approved wood primer.

9.5.6 Measurements:

Wood work shall be measured for finished dimensions. No allowance shall be made for dimensions

supplied beyond those specified. Length of each piece shall be measured overall nearest to a cm, so

as to include projections for tenons, scarves or mitres. Width and thickness shall be measured to the

nearest mm. Cubical contents can be worked out in units of 10 cubic decimetre in whole number.

9.5.7 Rate:

The rate includes the cost of materials and labour involved in all the operations described above.

Unless otherwise specified, iron fixtures such as bolts and nuts, M.S.steel plates, holding down bolts

and staining, priming, painting or polishing of the work shall be paid for separately.

9.6 Pannelled Glazed or Panelled and Glazed Shutters

9.6.0 Paneled or glazed shutters for doors, windows, ventilators and cupboards shall be constructed

in the form of timber frame work of stiles and rails with panel inserts of timber, plywood, block

board, veneered particle board, fibre board wire gauze or sheet glass. The shutters single or

multipanelled as shown in the drawings or as directed by the Engineer-inCharge. timber for frame

work, material for panel inserts and thickness of shatters shall be as specified. All members of the

shutters shall be straight without any warp or bow and shall have smooth well planed face at right

angles to each other. Any warp or bow shall not exceed 1.5 mm. The right angle for the shutter

shall be checked by measuring the diagonals in the difference between the two diagonals should not

be more than ± 3 mm.

9.6.1: Frame Work:

9.6.1.1: Timber for stiles and rails shall be of the same species and shall be sawn in the directions of

grains. Sawing shall be truly stright and square. The timber shall be planed smooth and accurate to

the required diamensions. the stiles and rails shall be joined to each other by plain or haunched

mortise and tenon joints and the rails shall be inserted 25 mm short of the width of the stiles. The

bottom rails shall have double tenon joints and for other rails single tenon joints shall be provided.

The lock rails of door shutter shall have its centre line at a height of 800 mm form the bottom of the

shutters unless otherwise specified. The thickness of each tenon shall be approximately one third

the finished thickness of the members and the width of each tenon shall not exceed three times its

thickness.

9.6.1.2: Gluing of joints:

The contact surfaces of tenon and mortise shall be treated, before putting together, with bulk type

synthetic resin adhesive confroming to IS: 851- 1978 suitable for construction in wood or synthetic

resin adhesive (Phenolic and aminoplastic) conforming to IS: 848:1974 or polyvinyl acetate

dispersion based adheshive conforming to IS: 4835 -1979 and pinned with 10 mm dia hardwood

dowels or bamboopins or star shipped metal pins; after the frames are put: together & pressed in

position by means of press.

9.6.1.3 Stiles and bottom rail shall be made out of one piece of timber only. Intermediate rail

exceeding 20 mm in width may be out of one or more pieces of timber. The width of each piece

shall be not less than 75 mm. Where more than one piece of timber is used for rails, they shall be

joined with a continuos tongued and grooved joint glued together and reinforced with metal dowels

at regular intervals not exceeding 200mm.

9.6.2:Muntin and glazing bars where required shall be stubtenoned to the maximum depth which

the size of the member would permit or to a depth of 25 mm which ever is less. Unless otherwise

specified die finished dimensions of the components of framework of shutters shall be as given

Table 7. Tolerance on width of styles and rails shall be ± 3mm The thickness of all components of

frame work shall be the same as the thickness of the shutter. Tolerance on over all dimensions of

the shutter shall be ± 3mm.

9.6.3 Rebating:

The shutters shall be single-leaf or double leaved as shown in tile drawings or as directed by the

Engineer-in-Charge. In case of double leaved shutters, the meeting of the stiles shall be rebated by

one third the thickness of the shutter. The rebating shall be either splayed or square type as shown

in Fig.2.

9.6.4 Panelling:

The panel inserts shall be either framed into the grooves or housed in the rebate of stiles and rails.

Timber, plywood, hard board and particle board panels shall be fixed only with grooves. The depth

of the groove shall be 12 mm and its width shall accommodate the panel inserts such that the facts

are closely fitted to the sides of the groove. Panel inserts shall be framed into the grooves of stiles

and rails to the full depth of the groove leaving on space of 1.5 mm. Width and depth of the rebate

shall be equal to half the thickness of stiles and rails. Glass panels, asbastor panels wire gauze

panels and panel inserts of cupboard shutters shall be housed in the rebates of stiles and rails.

9.6.4.1 Timber panels:

Timber panels shall be preferably made of timber of large width; the minimum width and thickness

of the panel shall be 150 mm, and 15 mm respectively. When made from more than one piece,

the pieces shall be jointed with a continuous tongued and grooved joint glued together and

reinforced with headless nails at regular intervals not exceeding 100 mm. Depth and thickness of

such joint shall be equal to one third of thickness of panel. The panels shall be designed such that

no single panel exceeds 0.5 square metre in area. The grains of limber panels shall run along the

longer dimensions of the panels. All panels shall be of the same species of timber unless otherwise

specified.

9.6.4.2 Plywood panels:

Plywood boards used for panelling of shutters shall be BWP type or grade as specified in 9.2.8. Each

panels shall be a single piece of thickness, 9mm for, two or more panel construction and 12 mm for

single panel construction unless otherwise specified.

9.6.4.3 Block Board Panels:

Block board used forpanelling of shutters shall be Grade I (ExteriorGrade) bonded with BWP Type

Synthetic resin adhesives as specified in 9.2.6. Each panel shall be a single piece of thickness 12 mm

unless otherwise specified.

9.6.4.4. Veneered Particle Board Panels:

Veneered Particle board used for panelling of shutters shall be Exterior Grade bonded with BWP type

synthetic resin adhesive as specified in 9.2.4.2 Each panel shall be a single piece of thickness 12 mm

unless otherwise specified.

9.6.4.5 Fibre Board Panels:

Fibre board used for panelling of shutters shall be Exterior Grade bonded with BWP type synthetic

resin adhesive as specified in 9.2.8.2. Each fibre board panel shall be a single piece of thickness 10

mm unless otherwise specified.

9.6.5 Beading:

Beadings in panelled shutter shall be provided where specified in architectural drawings or directed.

by the Engineer-in-charge. Each length of beading shall be single piece. Joints at the corners shall

be mitred and exposed edges shall be rounded. Beading shall be fixed with headless nails at 75 mm

intervals. For external shutters, the beading shall be fixed on the outside face.

9.6.6 Machine/Factory made shutters:

Machine made shutters, where specified, shall be procured from an approved factory. For machine

made shutters. operations like sawing. planning. making tongue and tenons, cutting grooves,

mortises and rebates, drilling holes and pressing of joints shall be done by suitable machines.

Machines mades shutters shall be ought to the site fully assembled but without any priming coat.

Panel inserts of sheet glass and wire gauze may however be fixed at site.

9.6.7 Fixing of shutters:

For side hung shutters of height upto 1.2 m, each leaf shall be hung on two hinges at quarter points

and for shutter of height more than 1.2 m, each leaf shall be hung on three hings one at the centre

and the other two at 200 mm from the top and bottom of the shutters. Top hung and bottom hung

shutters shall be hung on two hinges fixed at quarter points of top rail or bottom rail. Centre hung

shutter shall be suspended on a suitable pivot in the centre of the frame. Size and type of hinges

and pivots be as specified. Flap of hinges shall be neatly counter sunk into the recesses cut to the

exact dimensions of flap. Screws for fixing the hinges shall be screwed in with screw driver and not

hammered in. Unless otherwise specified, shutters of height more than 1.2 mm shall be hung on

butt hinges of size 100 mm and for all other shutters of lesser height butt hinges of size 75 mm shall

be used. For shutter of more than 40 mm thickness butt hinges of sire 125 x 90 x 4 mm shall be

used. Continuous (piano) hinges shall be used for fixing cup-board shutters where specified.

9.6.8 Fittings:

Fittings shall be provided as per schedule of fittings decided by Engineer-in-charge. Appendix H

gives for guidance the schedule of fittings and screws usually provided. Cost of providing and fixing

shutter shall include cost of hinges and necessary screws for fixing the same. All other fittings shall

be paid for separately. The fittings shall conform to specifications laid down in 9.21 Where the

fittings are stipulated to be supplied by the department free of cost, screws for fixing these filings

shall be provided by contractor and nothing extra shall be paid for the same.

9.6.11: Rate:

Rate includes the cost of materials and labour involved in all the operations described above. The

frame work and paneling of each type or glazed panels shall be paid separately. The rate for frame

work includes the cost of butt hinges and necessary screws as specified in 9.6.7 However, extra

shall be paid for providing moulded beading where specified. Nothing extra shall be paid for plain

beading as stated in 9.6.5 when specified in drawing.

9.7 FLUSH DOOR SHUTTERS

9.7.0 Flush doorshutters shall have a solid core and may be of the decorative or non decorative

(Paintable type as per IS: 2202 (Part I)- 1991. Nominal thickness of shutters may be 25,30 or

35mm. Thickness and type of shutters shall be as specified.

9.7.1 Width and height of the shutters shall be as shown in the drawings or as indicated by the

Engineer-in-Charge. All four edges of the shutters shall be square. The shutter shall be free from

twist or warp in its plane. The moisture content in timbers used in the manufacture of flush door

shutters shall be not more than 12 percent when tested according to IS: 1708 -1986.

9.7. Core :

The core of the flush doors shutters shall be a block board having wooden strips held in a frame

constructed of stiles and rails . Each stiles and rails shall be a single piece without any joint. The

width of the stiles and rails shall not be less than 75 mm and not more than 100 mm. The width of

each wooden strip shall not exceed 25 mm. Stiles, rails and wooden strips forming the core of a

shutter shall be of equal and uniform thickness. Wooden strips shall be parallel to the stiles. End

joints of the pieces of wooden strips of small lengths shall be staggered. In a shutter, stiles and rails

shall be of one species of timber. Wooden strips shall also be one species only but it may or may not

be the same species as that of the stiles and rails.

9.7.3 Face Panel:

The fare panel shall be formed by gluing, by the hot-press process on both faces of the core, either

plywood or cross-band, and face veneers. The thickness of the cross bands as such or in the

plywood shall be between 1.0 mm and 3.0 mm. The thickness of the face veneers as such or in the

plywood shall between 0.5mm and 1.5mm for commercial veneers and between 0.5mm and 1.0 mm

for decorative veneers. The direction of the veneers adjacent to the core shall be at right angels to

the direction of the wooden strips. Finished faces shall be sanded to smooth even texture.

9.7.4 Lipping:

Lipping, where specified, shall he provided internally on all edges of the shutters. Lipping shall be

done with battens of first class hardwood or as specified of depth not less than 25 mm. For double

leaved shutters, depth of the lipping at meeting of stiles shall be not less than 35 mm. Joints shall

not be permitted in the lipping.

9.7.5 Rebating:

Rebating shall be as specific in 9.6.3. (Fig.2)

9.7.6 Opening for Glazing :

Where specified the opening for glazing shall be 25 cm in height and 20 cm in width unless directed

otherwise. The bottom of the opening shall be at a height of the 140 cm from the bottom of the

shutter. Opening for glazing shall be lipped internally with wooden batten of width not less than 25

mm. Opening for glazing shall be provided where specified or shown in the drawing .

9.7.7 Venetian Opening :

Where specified the height of the venetian opening shall be 30 cm from the top of the bottom rail

unless directed otherwise. The width of the opening shall be as directed but shall provide for a clear

space of 75 mm between the edge of the door and venetian opening but in no case the opening

shall extend beyond the stiles of the shutter .The top edge of the opening shall be lipped internally

with wooden battens of width not less than 25 mm. Venetian opening shall be provided where

specified or shown in the drawing.

9.7.3 Tolerance :

Tolerance on width and height shall be +3 mm and tolerance on nominal thickness shall be ± 1.2

mm. The thickness of the door shutter shall be uniform throughout with a permissible variation of

not more than 0.8 mm when measured at any two points.

9.7 9 Adhesive :

Adhesive used for bonding various components of flush door shutters namely, core, core frame,

lipping, cross-bands, face veneers, plywood etc. and for bonding plywood shall conform to BWP

type, phenol formaldehyde synthetic resin adhesive conforming to IS: 848 -1974.

9.7.13 Fixing : This shall be as specified in 9.6.7

9.7.14 Measurements:

Length and width of the shutters shall be measured to the nearest cm in closed position covering

the rebates of the frames, but excluding the gap between the shutter and the game. Overlap of two

shutters shall rust be measured. All work shall be measured net as fixed and area calculated in

square metres to nearest two places of decimal. No deduction shall be made for providing venetion

opening and opening for glazing.

9.7.5 Rates: The rate includes the cost of material and labor involved in all the operations described

above. Extra rate shall be payable for providing rebates in double leaved shutters.

9.11. LOUVERED SHUTTERS

9.11.0 Specified timber shall be used, and it shall be sawn in the direction of the grains. Sawing

shall be truly straight and square. The timber shall be planed smooth and accurate to the full

dimensions, rebates, rounding and moulding as shown in .the drawings made, before assembly.

Patching or plugging of any kind shall not be permitted except as provided.

9.11.1 Frames:

Where the shutters have to be provided in the same frames as for the ordinary door or window, the

thickness of the frame shall be increased by the specified thickness of the shutters, which shall be

paid for separately under the relevant items of work.

9.11.2 Stiles and Rails: It shall be as specified in 9.6

9.11.3 Venetians: The panel space shall be fitted with Venetians which shall be 12 mm thick, unless

otherwise specified. The Venetian blades shall slope down towards the outside at angle as shown in

the drawings and shall be fixed in stiles. These shall overlap each other by about half of their

widths. The Venetians may be fixed or movable as specified. The finished work with a tolerance of

±1 mm in thickness and ± 3/2 mm in width of battens etc. shall be accepted.

9.11.4 The specification for fittings, wooden cleats and blocks and measurements shall be as

specified under 9.6

9.11.5 Rate:

It includes the cost of materials and labour involved in all the operations described above. The rate

for frame work includes the cost of butt hinges and necessary screws as specified in 9.6.7. The rate

for venetion/louvers shall include the cost of beading if specified.

9.12 LOUVERS FIXED TO FRAMES

9.12.0 The louvers shall be of wood, glass, AC sheet or any other material as specified.

9.12.1 Fixing :

These shall be fixed in grooves of minimum 1.25 mm depth, made in the frame. The venetian

blades shall slope down towards the outside, at an single of 45° or as shown in the drawings. These

shall overlap each other by about half of their widths.

9.12.2 Measurements:

The width and height of the clear opening shall be measured to the nearest cm and area calculated

in square metre correct to two places of decimal for the purpose of payment.

9.12.3 Rate : The rate is inclusive of the cost of materials and labour required for all the operations

describrd above.

9.13 WIRE GAUZE FLY PROOF SHUTTERS

9.13.0 Specified timber shall be used, and it shall be sawn in the direction of the grains. Sawing

shall be truly straight and square. The timber shall be planed smooth and accurate to the full

dimensions, rebates, roundings and mouldings as shown in the drawings made, before assembly.

Patching or plugging of any kind shall not be permitted except as provided.

9.13.1 Stile and Rails:

The Specifications shall be as described under 9.6. The stiles and rails shall be given a rebate to

receive the wire gauze which shall form the panels.

9.13.2 Wire Gauze:

This shall be unless specified otherwise conform to para 9.2.10 to 9.6.4.6. The wire gauze shall be

bent at right angles in the rebates of stiles and rails, turned back and fixed tight with blue tacks at

about 75 mm centres, fixed alternately in the two faces of the rebates. Over this, wooden heading

shall be fixed with brads or small screws at about 75 mm centres. The space between the beading

and rebates, where the wire gauze is bent, shall be neatly finished with putty, so that the end of the

wire gauze may not be visible.

9.13.3 Fixing Fittings, Wooden cleats, blocks and Measurement: shall be as specified under 9.6

9.13.4 Rate : This includes the cost of materials and labour involved in all the operations described

above, and as specified under 9.6

9.14 WALL LINING

9.14.0 Specified timber shall be used, and it shall be sawn in the direction of the grains. Sawing

shall be truly straight and square. The timber shall be planed smooth and accurate to the full

dimensions, rebates, rounding, and moldings as shown in the drawings made, before assembly.

Patchings or plugging of any kind shall not be permitted except as provided.

9.14.1 Grounds:

Grounds shall be provided where so specified. These shall consist of first class hard wood plugs or

the class of word used for fabricating the frames, of trapezoidal shape having base of 50 x 50 mm

and top 35 x 35 mm with depth of 5.0 cm and embedded in the wall with cement mortar 1:3 (1

cement: 3 fine sand) and batten of first class hard wood or as specified of size 50 x 25 mm or as

specified, fixed over the plugs with 50 mm long wood screws. The plugs shall be spaced at 45 to 60

mm centres, depending upon the nature of work. The battens shall be painted with priming coat, of

approved wood primer before fixing.

9.14.2 Panelling :

9.14.2.1 Teak wood panelling :

The thickness of panel shall be 16 mm upto a width 40 cm and 19 mm for a greater width. Solid

wood panels shall be made out of one or more pieces of timber of not less than 12.5 cm in width .

In order to avoid warping, plitting and cracking: normally pieces not exceeding 20 cm in width

should be used. When made from more than one piece, the pieces shall be joined with a continuous

tongued and grooved joint glued together and reinforced with metal dowels. The grains of the solid

panel shall run along the longer dimensions of the panel. The finished work with a tolerance of ±1

mm in thickness may be accepted.

9.14.2.2 Block Board Panelling :

This panelling shall be decorative or non decorative (Paintable) type as per design and thickness

specified by the Engineer-in-Charge. These shall be specified in details of the type and constructiuon

of core. The specification in general shall conform to Indian Standard Specifications IS: 2202 (Part

I)1991 and 2202 (Part II) 1983.

9.14.2.3 Ornamental Work:

The ornamental wood work shall be painted or, the back, with priming coat of approved wood

primer before fixing the same to the ground: with screws, which shall be sunk into the wood work

and their tops covered with putty. The ornamental work shall be made true and accurate to the

dimensions shown in the working drawings. The fixing shall be done true to lines and levels. The

planks for wall lining shall be tongued and grooved, unless otherwise specified.

9.14.2.4 Measurements:

Length and breadth shall be measured correct to a cm. Wall panelling such as teakwood panelling

and block panelling, plain lining, and plain skirting each shall be measured separately in square

metre nearest to two places of decimal. The moulded work shall be measured in cm running metre

i.e. in running metres stating the girth in cm. The sectional periphery (girth) of moulding excluding

the portion in contact with wall shall be measured in cm correct to 5 mm and length in metre correct

to a cm. The measurements for ground shall be taken on the basis of cubical contents of battens

and paid for seperately, unless otherwise specified. Where only plugs are required to be fixed for the

ornamental work, the costs for the same shall be deemed to be included in the rate of ornamental

work and no spearate payment shall be made for plugs.

9.14.2.5 Rate: The rate includes the cost of materials and labour required for all the operation

described above.

9.15 SHELVES

9.15.0 Shelves and vertical partitions of cupboards shall be of timber planks fibre board, particle

board, block board or veneered particle board as specified. Thickness and type of planks or boards

shall be as specified. Each shelf shall be a single piece and vertical partitions between two

consecutive shelves shall be without any joint. Exposed edges of boards having particle board core

shall be scaled with 3 mm thick single piece teak wook strips of width equal to the thickness of

board with headless pins. The arrangement of shelves and vertical partitions shall be as per

drawings or as directed by the Engineer-in-Charge.

9.15.1 Fixing :

Planks for shelves shall be planed on all faces and edges. In case of boards they shall be sawn to

the required size truly straight and square. Timber battens 25 x 40 mm unless otherwise specified

shall be planed smooth and fixed inside the cupboard with wooden plugs and screws. Shelves shall

be fixed to the battens and vertical portions shall be held in position by fixing them to the battens

and shelves using screws. Teakwood strips for edge sealing of the boards shall be planed smooth

and fixed with headless nails. Tolerance in width shall be ± 1.5 mm and in thickness 1 mm.

9.15.2 Measurements :

Length and width of shelves and vertical partitions shall be measured correct to a cm. separetely

for each type of board stating its thickness. Area shall be calculated correct to 0.01 sqm.

9.15.3 Rate: It includes the cost of materials and labour required for all the operations described

above.

9.16 Trellis (Jaffri)Work :

9.16.0 Specified timber shall be sawn in the direction of the grains. Sawing shall be truly straight

and square. The timber shall be planed smooth and accurate to the full dimensions, rebates,

roundings, and mouldings as shown in the drawings made, before assembly. Patching or plugging of

any kind shall not be permitted except as provided.

9.16.1 Plain Trellis(Jaffri):

This shall consist of wooden strips or laths 35 x 10 mm section unless otherwise spccified planed

and nailed together at every alternate crossing. The strips shall cross each other at right angle and

shall be spaced 35 mm apart, so as to form 35 x 35mm square opening or as shown in the drawing.

These shall be fixed with nails to the frame. To cover the ends of strips, 50 x l2 mm beading shall

be fixed to the frame with screws. The finished work with a tolerance of ±1 mm may be accepted.

9.16.2. Trellis (Jaffri) Doors and Windows Shutters:

Shutter frame of specified timber shall consist of two stiles and top, lock and bottom rails, each of

section 75 x 35 mm unless otherwise specified. The stiles and rails shall be properly mortised and

tenoned. The tenons shall pass through the stiles for at least 3/4th of the width of the stile. Shutter

frame shall be assembled and passed by the Engineer-in-Charge before jointing. The joints shall be

pressed and secured by bamboo pins of about 6 mm diameter. To this frame, plain trellis (Jaffri)

work as described in 9.16.1 shall be fixed as shown in the drawings or as. directed by the Engineer-

in-Charge. Fixing, fittings, wooden cleats and blocks shall be provided as specified under 9.6.

9.16.3 Measurements:

Width and height of plain trellis work and trellis shutters shall be measured overall correct to a cm.

The area shall be calculated in square metres nearest to two places of decimal. In case of shutters,

the measurement shall be as specified in9.6.

9.16.4 Rate: It includes the cost of materials and labour required in all the operations described

above.

9.17 PELMETS

9.17.0 Planks and curtain rods of specified timber shall be used, and it shall be sawn in the direction

of the grains. Sawing shall be truly straight and square. The timber shall be planed smooth and

accurate to the full dimensions, rebates, roundings, and mouldings as shown in the drawings made,

before assembly. Patching or plugging of any kind shall not be permitted.

9.17.1 Sides, front and top of the pelmets shall be of 12 mm planks or boards of specified quality

and width unless otherwise stated. These shall project from the wall face by 15 mm or as specified,

and shall be securely fixed to walls with wood screws by means of wooden plugs and 10 cm long

25 x 3 mm M.S. flat bent in the form of angle or by an the Engineer-in-Charge. The pelmets shall be

provided with in curtains rods and brackets or curtain sails with rollers, stop ends and brackets

wooden, brass or chromium plated brass as specified. Intermediate wooden brackets shall be

provided, if the front length of pelmet excceds 1.5 metres.

9.17.2 Measurements: The pclmets box shall be measured along the sides and front planking

correct to a centimetre.

9.17.3 Rate: The rate includes the cost of sides, front and top planking curtain rods with brackets or

curtain rails with rollers labour and materials required for all the operations described above.

9.18 HOLD FASTS

9.18.0 These shall be made from mild steel flat 40 x 5 mm size conforming to IS:7196-1974 without

any burns or dents. 5 cm length of M.S. flat at one end shall The bent at right angle and one hole

11 mm dia shall be made in it for fixing to wooden frame with 10 mm.dia nut bolt. The bolt head

shall be sunk into the wooden frame, 10 mm deep and pluged with wooden plug. At the other end

10 cm length of the hold fast flat shall be forked and bent a at right angle in opposite direction and

embedded in cement concrete block of size 30 x 10 x 15 cm of mix 1:3:6 (1 cement: 3 coarse sand:

6 graded stone aggreggate, 20 mm nominal size) or as specified (see fig. 5)

9.18.1 Measurements : Measurements for the hold fasts shall be in number.

9:21 FITTINGS

9.21.0 Fitting Shall be of mild steel brass, aluminium or as specified. Some mild steel fittings may

have components of cast iron. These shall be well made, reasonably smooth, and free from sharp

edges and comers, flaws and other defects. Screw holes shall be counter sunk to suit the head of

specified wood screws. These shall be of the following types according to the material used.

(a) Mild Steel Fittings : These shall be bright satin finish black stone enamelled or copper

oxidised (black finish),nickle chromium plated or as specified.

(b) Brass Fittings : These shall be finished bright satin finish or nickel chromium plated or copper

oxidised or as specified.

(c) Aluminium Fittings : These shall be anodised to natural matt finish or dyed anodic coating not

less than grade AC 10 of IS : 1868-1982.

The fittings generally used for different type of doors and windows are indicated in Appendix H

Attached. The fittings to be actually provided in a particular work shall however be decided by the

Engineer-in-Charge.Screws used for fittings shall be of the same metal, and finish as the fittings.

However, chromium plated brass screws or stainless steel screws shall be used for fixing aluminium

fittings. These shall be of the size as indicated in respective figures. Fittings shall be fixed in proper

position as shown in the drawings or as directed by the Engineer-in-Charge. These shall be truly

vertical or horizontal as the case may be. Screws shall be driven home with screw driven and not

hammered in. Recesses shall be cut to the exact size and depth for the countersunking of hinges.

9.21.1 Butt Binges : (Fig.6a) These shall be of the following types according to the material used.

(a) Cast brass butt hinges light/ordinary or heavy.

(b) Extruded aluminium alloy butt hinges.

9.21.1.2 Cast Brass : These shall be light/ordinary or heavy as specified. These shall be well made

and shall be free from flaws and defects of all kinds. These shall be finished bright or chromium

plated or oxidised or as specified. These shall generally conform to 1S:205-1992 .

Hinge Pin : Hinge pin shall be made of brass or of phosphor bronze. The hinge pins shall be firmly

rivetted and shall be properly finished. The movement of the hinge pin shall be free, easy and

square and shall not have any, play or shake.

Knuckles : The number of knuckles in each, hinge shall not be less than five. The number of

knuckles in case of sizes less than 40 mm shall be three. The sides of the knuckles shall be straight

and at right angle to the flap. The movement of the hinge pin shall be free. and easy and working

shall not have any play or shake.

Screw holes : The screw holes shall be suitable for counter sunk head wood screws, and of the

specified sizes for different types of hinges. The size of the holes shall be such that when it is

counter sunk it shall be acommodate the full depth of counter sunk head of wood screw specified.

9.21.1.3 Extruded Aluminum Alloy :

These shall be manufactured from extruded sections. These shall be well made and free from flaws

and defects of all kinds. These shall generally conform to IS 205-1992,

Hinge pin :

Hinge pin shall be made of mild steel (gal vanised or aluminum alloy). The aluminium alloy hinge pin

shall be anodised. The hinge pin shall be finally rivetted and shall be properly finished. The

movement of hinges shall be free easy and square and shall not have any play or shake.

Knuckles :

Number of knuckles in each hinge pin shall not ba less than 5. The number of knuckles in case of

sizes less than 40mm be straight and at right angle to the clap. The movement of the hinge pits

shall be free and easy working shall not have any play or shake.

Screw holes : The screw holes shall be suitable for counter sunk head wood screws, and of specified

sizes for different type of hinges. The size of the holes shall be such that when it is counter sunk it

shall be able to accommodate the full depth of counter sunk head of wood screw specified.

10.1 GLAZED TILE WORK

10.1.1 White Glazed Tiles :

The tiles shall be of approved make and shall generally conform to IS 777-1988. They shall be flat,

and true to shape and free from blisters crazing, chips, welts, crawling or other imperfections

detracting from their appearance. The tiles shall be tested as indicated in Appendix of IS 777-1988.

The tiles shall be square or rectangular of nominal size such as 150 x 150 mm, 100 x 100 mm, 100 x

200 mm or as directed by the Engineer-in-charge. The thickness of the tiles shall be 5 mm, or 6 mm

as specified. The length of all four sides shall be measured correct to 0.1 mm and average length

breadth shall not vary more than ± 0.8 mm from specified dimension. The a variation of individual

dimension from average value of length/breadth shall not exceed ± 0.5 mm. Tolerance in thickness

shall be ± 0.4 mm.

The top surface of the tiles shall be glazed and glaze shall be either glossy or matt as specified. The

underside of the tiles shall not have glaze on more than 5 % of the area in order that the tile may

adhere properly to the base. The edges of the tiles shall be preferably free from glaze. However,

any glaze if unavoidable, shall be permissible on only upto 50 percent of the surface area of the

edges.

10.1.2 Coloured Tiles :

Only the glaze shall be coloured and screen printed as specified. The sizes and specifications shall

be the same as for the white glazed tiles.

10.1.3 Decorative Tiles : The type and size of the decorative tiles shall be as follows :

i) Decorated white back ground tiles : The size of these tiles shall be 450 x 300 x 6 mm

ii) Decorated and having coloured back ground : The sizes of the tiles shall be 450 x 300 x 6

mm.

Client : NATIONAL FERTLIZERS LTD. Project : Regional Office , Bhopal 99

SAFETY CONDITIONS

1.

General The Contractor shall take all safety precautions / measures and ensure safety for the works, he hasbeen contracted to execute. He shall follow all relevant safety codes of CPWD and IS codes andsafety manuals. The Contractor shall indemnify the Owner from any consequences arising due to Contractor's failure in respect of safety measures. Some of the more important measures are listedbelow. The Contractor shall implement any further measures which may be required as per the safety codes of CPWD, IS codes etc. and the measures which the Engineer may call for during the execution of the work.

2. Scaffolding Suitable scaffolds shall be provided for workmen for all work that cannot safely be done from theground, or from solid construction except such short period work as can be done safely from ladders.When a ladder is used an extra labourer shall be engaged for holding the ladder and suitablefootholds and handholds shall be provided on the ladder and the ladder shall be given an inclination not steeper than 1/4 to 1 (1/4 horizontal and 1 vertical).

3. Guard Railing in Scaffolding / staging / Platforms Scaffolding or staging more than 3.25 meters above the ground floor or floor swung or suspendedfrom an overhead support or erected with stationary support, shall have a guard rail properlyattached, bolted, braced and otherwise secured atleast 1 meter high above the floor or platform ofsuch scaffolding or staging and extending along the entire length of the outside and ends thereof with only such openings as may be so fastened as to prevent it from swaying from the building orstructures.

4. Working Platform / Gangway / Stairway Working platform, gangways and stairways shall be so constructed that they do not sag unduly or unequally, and if height of a platform or gangway or stairways is more than 3.25 meters aboveground level or floor level, it shall be closely Ownered, have adequate width and be suitably fenced provided with guard rail as described in 2 above.

5. Access to working platforms and other working places Safe means of access shall be provided to all working platforms and other working places. Everyladder shall be securely fixed. No portable single ladder shall be over 5 meters in length. Widthbetween side rails in a rung lader shall in no case be less than 30 cm. for ladders upto and including3 meters in length. For longer ladders this width shall be increased at least 6 mm. for each additional30 cm. of length. Uniform step spacing shall not exceed 30 cm.

6. Demolition works

Before any demolition work is commenced and also during the process of the work: a. All roads and open areas adjacent to the work site shall either be closed or suitably

protected. b. No electric cable or apparatus which is liable to be a source of danger over a cable or

apparatus used by Contractor shall remain electrically charged. c. All practical steps shall be taken to prevent danger to persons employed, from risk or fire or

explosion, or flooding. No floor, roof, or other part of a building shall be so overloaded withdebris or materials as to render it unsafe.

d. All blasting materials shall be stored and handled as per guidelines of relevant authorities.

7. Barricades

Project No ------------------- M BANERJEE ARCHITECS &INTERIOR DESIGNERS

Document : Tender Document Bhopal

Client : NATIONAL FERTLIZERS LTD. Project : Regional Office , Bhopal 100

i. Contractor shall erect and maintain barricades required in connection with his operation to

guard or protect:

a. Excavation / Hoisting / Lifting areas b. Slab Openings

c. Areas adjudged hazardous by Contractor's or Engineer 's Inspection.

d. Owner's existing property subject to damage by Contractor's operations.

ii. Contractor's employees and those of his sub-Contractors shall become acquainted with

Owner's / Engineer's barricading practice and shall respect the provisions thereof.

8. Net & Protective Platform The Contractor shall provide and maintain a closely knitted PVC net allround tall buildings throughout the construction period. He shall also provide allround from external face about 1.5 M+ wide temporary platforms at every 6-7 th floor covered with welded steelmesh. This shall be maintained and updated throughout the construction period to avoid any accident due to dropping of construction materials / debris. This shall be strictly followed and work shall be permitted only when complied to satisfaction of the Engineer . If the above are not fully taken care of, the Engineer reserves the right to get the same carried out through other agency at the risk and cost of the Contractor.

9.

Prevention of Fire and Protection All combustible waste materials, wood scalings, soiled rags, etc. should be removed daily and burnedin suitable areas. Fire, welding, and flame cutting should not be permitted in combustible areas. Fires and open flamedevices should not be left unattended. Smoking should be prohibited in all flammable material storages, viz. carpentry, paint shops, garages,service stations, etc. "No Smoking" signs should be posted on all such areas. Accumulation of flammable liquids on floor, walks, etc, should be prohibited. All spills of flammable liquids should be cleaned up immediately. Flammable liquids, lubricants, etc. should be handled and transported in safety containers and drumswhich can be kept tightly capped. Petrol or other flammable liquids with a flash point below 100 Deg F should not be used for cleaning purposes. Oxygen cylinders should not be stored with combustible materials. All electric installations should be properly earthed. Repairs should not be made on electrical circuitsuntil the circuit has been de-energized. Fire extinguishers and fire buckets, painted red, should be provided at all fire hazardous locations.Extinguishers should be inspected, serviced and maintained in accordance with manufacturersinstructions. The inspections should be evidenced by the notations on the tag attached to the extinguisher. Handling of Hazardous materials shall be as per statutory regulation.

Project No ------------------- M BANERJEE ARCHITECS &INTERIOR DESIGNERS

Document : Tender Document Bhopal

Client : NATIONAL FERTLIZERS LTD. Project : Regional Office , Bhopal 101

10.

Electrical Equipment All temporary and permanent electrical installations, power distribution and supply required for execution of Work shall be carried out conforming to existing industrial and domestic safety rules and regulations. Important specific points to be noted are as under:

Meter room and main switches should be freely accessible at all times and fully protected against all weathers.

Power distribution system shall be identifiable with display marking on switches.

All power distribution shall be carried out with coated, adequately, insulated and of appropriate

current / load rating cables. It shall be securely routed for this prupose. No loose, naked, hangingwires shall be permitted.

Over load protection devices shall be installed whenever and wherever heavy current / load

consuming construction or plant machinery susceptible to hazard is in use and as directed by theArchitect.

Metallic plugs and sockets shall be used in field work. Switch Owner shall be in close proximity so

as to have quick control over the supply

Proper and adequate earthling connection to be provided for all installation, plant machinery anddistribution system.

Hand lamps and inspection lamps shall be adequately insulated and guarded with wire mesh and will

have proper plugs for use.

Security and illuminatory light shall be secured firmly and protected to withstand all weather. 11. Protective equipment / gears

All necessary personal protective equipment as considered adequate by the Engineer shall be available for use of the persons employed on the site and maintained in a condition suitable forimmediate use; and the Contractor shall take adequate steps to ensure proper use of equipment bythose concerned. Workers employed on mixing cement concrete shall be provided with protective footwear and

protective goggles, hand gloves of polythene type. Those engaged in handling any material which is injurious to eyes shall be provided with protective

goggles. Those engaged in welding works shall be provided with welders protective eye-shields. The following safety equipment should be provided to workers as required and their use enforced.

Rubber boots; hard toe protective safety boots; hard hats & helmets, safety belts; goggles for stone/concrete cutters., gas welding aprons, respirator shields, manila ropes and slings for life lines, gloves, flash lights, battery lamps, safety nets, boatswains chairs, helmets, life and ring buoys.

Items of personal wear should be maintained in serviceable condition and should before beingreissued to other employees or returned to stores to be cleaned, sterilised, inspected and repaired, if necessary. Loose and frayed clothing, hand rings, loose watch chains, etc. should not be worn around movingmachinery or other sources of entanglement.

12.

Other Safety Measures Every receptacle used for raising or lowering stones, bricks, tiles, slates, or other subjects should be

Project No ------------------- M BANERJEE ARCHITECS &INTERIOR DESIGNERS

Document : Tender Document Bhopal

Client : NATIONAL FERTLIZERS LTD. Project : Regional Office , Bhopal 102

enclosed, constructed or designed so as to prevent the accidental fall of such objects. All gears, tools, goods or loose material should be properly loaded into the bucket or receptacle inwhich they are being raised or lowered. If necessary, they should be properly secured or effectiveprecautions should be taken to prevent their fall. No timber or materials with projecting nails should be used in any work because they can be a source of danger to people. Adequate precautions shall be taken to prevent danger from electrical equipment. No materials onany of the sites shall be so stacked or placed as to cause danger or inconvenience to any person orthe public. The Contractor shall provide all necessary fencing and lights to protect public accidents and shall be bound to bear expenses of defense of every suit, action or other proceeding at law thatmay be brought by any person for injury sustained owing to neglects of the above precautions and topay any damages and costs which may be awarded in any such suit, action or proceedings to anysuch person or which may with the consent of the Contractor be paid to compromise any claim byany such person.

13.

First Aid and Industrial Injuries i. Contractor shall maintain first aid facilities for his workmen. First aid appliance including

an adequate supply of sterilised dressings and sterilised cotton wool should be maintained in a readily accessible place. Appliances should be kept in good order and they should be placed under the charge of a responsible person who should be readily available during the working hours.

ii. Contractor shall make adequate arrangements for ambulance service and for treatment of

injuries. Names of those providing these services shall be furnished the Engineer and the Owner prior to start of constructions and their telephone numbers shall be prominentlyposted in Contractor's field office.

iii. All critical industrial injuries shall be reported promptly to the Engineer and the Owner,

and a copy of Contractor's report covering each personnel injury requiring the attention of aphysician shall be furnished to the Engineer and the Owner.

14. Maintenance

All scaffolds, ladders and other safety devices mentioned or described herein shall be maintained in a safe condition and no scaffold, ladder or equipment shall be altered or removed while it is in use.Adequate washing facilities shall be provided at or near places of work.

15.

Enforcement To ensure effective enforcement of the rules and regulations relative to safety precautions,arrangements made by the Contractor shall be open to inspection by the Construction Manager or hisrepresentatives and the Inspecting Officers.

16. Displays These safety provisions shall be brought to the notice of all concerned by display on a notice Ownerat prominent places at the workspot. Persons responsible for ensuring compliance with the SafetyCode shall be named therein by the Contractor.

The contractor shall at his own cost and responsibilities follow all the safety rules and regulations andsafety codes such as:-

Project No ------------------- M BANERJEE ARCHITECS &INTERIOR DESIGNERS

Document : Tender Document Bhopal

Client : NATIONAL FERTLIZERS LTD. Project : Regional Office , Bhopal

Project No ------------------- M BANERJEE

ARCHITECS &INTERIOR DESIGNERS Document : Tender Document Bhopal

103

I.S Codes

As applicable to the relevant work

3696-1987 Safety code for scaffolds and ladders.

4014 (part 2) -1986 Safety regulations for steel tubular scaffolding

3764-1966

Safety code for excavation work.

4081-1986

Safety code for blasting and related drilling operation.

4130-1976 Safety code of demolition of building.

4138-1977 Safety code for working in compressed air

4912-1978 Safety requirements for floor and wall openings, railings and toe Owners

7969-1975 Safety code for handling and storage of building materials

13415-1992 Safety code for protective barriers in and arround the building

13416-(part 2) - 1992 Recommendations for preventive measures against hazards at workplace- fall prevention

5916-1970

Safety code for construction involving use of hot bituminous material.

7293-1974

Safety code for working with construction machinery.

8989-1978

Safety code for erection of concrete framed structure.

Client :NFL Project : RO, Bhopal

1

Sl. No. Item Approved Make / Manufacturer1 Cement ACC, L&T, Ambuja

2 Concrete Admixtures CICO, Fosroc, Structural Waterproofing Co.

3 Reinforcement Steel Tisco, SAIL, RINL4 Structural steel Tisco, SAIL, RINL5 Polysulphide Sealants Fosroc, Choksi Chemicals6 Silicon sealants Dow Corning7 Paints Asian Paints, Berger, ICI, Spectrum8 Flush Doors Indian Plywood, Sylvi (ISI Mark)9 Aluminium doors/ windows sections Jindal, Indal,Man10 Hallow metal Pressed Steel doors Srima Sales Corpn., ABAQS11 Tile Adhesive Fosroc, Choksi Chemicals12 Ceramic / Tiles Euro, Nitco, RAK.13 Vitrified Ceramic Tiles Restile , RAK,..or approved equvalent14 PVC tiles, Antistatic tiles LG Floors, Krishna Vinyle

15 Cement based water proofing on Roof / Terrace

India Water Proofing, Structural Water Proofing, Fosroc,Dr Fixit

16 Glass Modi, Asai, Saint gobain17 PVC Pipe / UPVC Supreme, Prince or approved equivalent18 CPVC Astral or approved equivalent19 Sanitary Fitting Cera, EURO, Hindware, Pery ware20 C.P. Fitting ESS, Jaquar, Viking,Llauret21 Stainless Steel Sink Nirali, Neel Kanth,Cera,22 G.I. Pipes Swastik, SURYA23 G.I. Fittings Unik24 Block Board Sylvi , Sainik , CP,Duro25 Ply Wood Sylvi , Sainik , CP,Duro26 Medium density Fibre Bord( MDF ) Bajaj,Novapan.27 Laminate Olive, Durian ,Merinolam ,28 Hardware (Drawer channel, Handle EBCO, Hettich,29 Glass door Handle PAN , Ozone , Kich30 Patch Fittings /floor spring Ozone , Dorma ,31 Locks Hettich, Doorset, Ebco, Haffele32 Wire RR , Finolex , Polycab33 Armored Cable ( aluminium / copper) Havells , Finolex , Polycab34 Switch Socket ( Modular ) Nortwest, Legrand, MK35 MCB Legrand, Northwest, L&T,36 MCCB Havells (Dorman Smith ), L&T , GE37 Switch Socket Havells , Finolex , Polycab

38 Electrical Equipment

38.1 Electrical Panel Board/ Motor Control Centre (Power Coated)

Tricolite/ Adlec Systems pvt Ltd./Triton/ System Power Control

Schedule B

List of Approved Make / Manufacturer

Project No.:----------------Document : Tender Document - Technical Specification

M BANERJEEBhopal

Client :NFL Project : RO, Bhopal

2

38.2 Electric Motor (TEFC) Siemens/ Crompton/ Kirloskar/ ABB

38.3 Starters/ Switch gear Siemens/ L&T/ Group Schneider (MG) France

38.4 Miniature Circuit Breaker (MCB) Siemens/ MDS Legrand/ Hager (L&T)

38.5 Moulded Case Circuit breaker (MCCB) Siemens/ L&T/ GE Power/ Group Schneider (MG)NS

38.6 Air Circuit Breaker (ACB) Siemens/ L&T/ GE Power/ Group Schneider (MG)NW

38.7 Earth leakage circuit Breaker (ELCB) MDS Legrand/ Hager (Larsen & Toubro)38.8 Push Button Starter Siemens/ L&T/Group Schneider (MG)

38.9 Auxiliary Relays/ Contactors Siemens/ L&T/ Group Schneider (MG) France

38.10 Line Type Fuse Siemens/ L&T/GE38.11 Timer Siemens/ L&T/GE38.12 Terminal Block Elmax

38.13 Voltmeter/ Ammeter (Digital) Automatic Electric/ L&T/ Siemens / Enercon

38.14 Indicating Lamps (LED Type)/ Push Button Siemens/ L&T/ Vashnio

38.15 Single Phase Preventer (Current Base) L&T/ Minlec

38.16Electronic Digital Meters (A/V/PF/Hz/KW/KWA) With Led Display

Enercon System Pvt. Ltd/ L&T

38.17 Selector Switches/ Toggle Switch Siemens/ L&T/ Kaycee38.19 Change over switch Siemens/ L&T/ HH Elcon/ HPL-Socomech38.20 Protection Relay Alstom/ L&T/ Siemens

38.21 Control Transformer/ Potential Transformers Precise/ Gilbert & Maxwell/AE

38.22 Current Transformer (Epoxy Cast Resin) Precise/ Gilbert & Maxwell/ AE

38.23 Rubber Mats 1199 V, 6 mm thick (ISI approved) Jyoti

38.24 Weather Proof Boxes (IP55) Advance/ Adlec/ Milestone38.25 MS Painted Cable Trays Ricco/ Slotco/ M. M Enterprises

Project No.:----------------Document : Tender Document - Technical Specification

M BANERJEEBhopal