REUSE EXISTING DUCTING

REPLACE WITH SAD1

REPLACE WITH SAD1

REPLACE WITH SAD1

REPLACE WITH SAD1

NEW AC1

NEW OU1

EXISTING GRILLES AND DUCT TO

BE USED FOR SUPPLY AIR.

REUSE EXISTING DUCTING

REUSE EXISTING DUCTING

REUSE EXISTING

ATTENUATION

1200x800

NEW AC1

NEW AC1

NEW AC1

450L/s 450L/s 450L/s 450L/s 450L/s450L/s

450L/s 450L/s

NEW OU1 NEW OU1 NEW OU1

9-OFF 600x300 SUPPLY AIR GRILLES

WITH OBD'S

REUSE EXISTING DUCTING

OMIT DIFFUSER

MEASURE & COLLATE FLOW RATES

FROM ALL EXISTING FRESH AIR OUTLETS

AIR-CONDITIONING SCHEDULE

ITEM No DESCRIPTIONFRESH AIR (L/S) QTYSUPPLY AIR (L/S)

ELECTRICAL ISOLATOR

REQUIRED

AC1

OU1

1200(TOTAL)

433 4

1 PHASE/50/220-240 (32MFA)

SUPPLY AIR DIFFUSERSAD1 240

5

CCD 595x595

Ø250 NECK SIZE

RICKARD

MAKE/MODEL

DIFFUSER AND GRILLE SCHEDULE

ITEM No DESCRIPTIONFLOW RATE (L/S) QTYSIZE & TYPEMAKE

CEILING CASSETTE/OUTDOOR UNIT

COOLING CAPACITY 12.0kW

HEATING CAPACITY 13.5 kW

DAIKIN

FCQG125F/

RZQSG125LV1

by

Approved

Rev.

Block C, Oxford Gate, 54 Oxford Street, Durbanville 7550

P O Box 1142, Durbanville 7551

Tel: +27 21 975 1718 Fax: +27 21 975 5167

E-Mail: info@eceng.co.za

Rev. Date Description

Client/Employer

Drawing No.

Designed

Drawn

Checked

Date

Revision

Scale

Project

Plan Description

Contract No.

COPYRIGHT IS VESTED IN

ELEMENT CONSULTING ENGINEERS (PTY) LTD

IN TERMS OF THE COPYRIGHT ACT (ACT 98 OF 1978).

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ORIGINAL SIZE A1

200 5 10 15 50mm30

HVAC - GROUND FLOOR

Project/DWG No.

ARCHITECT

REVision

Date Received

160057

JJ

AUG 2016

1:100

JJ

160057/M/110

A

DATE:

ISSUED

30/06/17

REV: B

FOR TENDER

JJFOR INFORMATION ONLY

PROPOSED RENOVATIONS ON

EXISTING PREMISES FOR MOYO

RESTUARANT KIRSTENBOSCH

GARDENS

FD - FIRE DAMPER

O.B.D. - OPPOSED BLADE DAMPER

ELECTRICAL ISOLATOR

DOOR GRILLE

FRESH AIR PANEL FILTER

UNDERCUT DOOR BY 25MMU/C

POD SOUND ATTENUATOR

DIFFUSER

WALL MOUNTED FAN

MID WALL SPLIT AC UNIT

RECTANGULAR SOUND ATTENUATOR

HVAC NOTES:

1. ALL DUCTWORK TO BE MANUFACTURED FROM GALVANISED

SHEET METAL AND INSTALLED IN ACCORDANCE WITH SABS 1238

AND SABS 0173. DUCT SIZES INDICATE CLEAR INTERNAL

DIMENSION. ROUND DUCTING TO BE OF THE SPIRAL WOUND TYPE

UNLESS INDICATED OTHERWISE.

2. SUPPLY AIR DUCTING, INCLUDING FLEXIBLES, TO BE EXTERNALLY

INSULATED WITH 25mm FRK UNLESS OTHERWISE SHOWN.

RETURN AIR DUCTING AND PLENUM BOXES TO BE EXTERNALLY

INSULATED. RETURN AIR FLEXIBLE DUCTING NEED NOT BE

INSULATED AND IS TO BE SIZED AND ROUTED NOT TO EXCEED

10Pa PRESSURE DROP. EXPOSED SUPPLY AIR DUCTING WITHIN

THE CONDITIONED SPACE NEED NOT BE INSULATED UNLESS

SPECIFICALLY REQUESTED. ALL INSULATION IS TO TO BE

INSTALLED IN ACCORDANCE WITH SABS 1238. EXTERNAL

DUCTWORK SHALL BE INSULATED, USING 25mm THICK RIGID

PREFORMED POLY-ISOCYNURATE (PIC) SECTIONS HAVING A

DENSITY OF 32Kg/m, AND SHALL BE FINISHED WITH TWO COATS

OF POLYESTER RESIN REINFORCED WITH 300g FIBREGLASS

CHOPSTRAND. THIS SHALL BE SANDED SMOOTH AND COATED

WITH RESIN RICH TOPCOAT PIGMENTED TO THE COLOUR AS

SPECIFIED. THE INSULATION SHALL BE INSTALLED SO AS TO

PREVENT WATER PONDING ON TOP OF DUCTING.

3. FLEXIBLE DUCTING TO HAVE A CLASS 1 FIRE RATING COMPLYING

WITH SABS 0177 PART 3, TO BE EUROFLEX OR EQUAL, AND TO BE

MORE THAN 1,5m IN LENGTH. ENDS ARE TO BE SEALED AND FIXED

WITH JUBILEE TYPE CLAMPS.

4. DAMPERS ARE TO BE OF THE OPPOSED BLADE TYPE AND FITTED

WITH A MANUAL LOCKING QUADRANT. ROUND DUCT DAMPERS

ARE TO BE OF THE UNITEX TYPE WITH LOCKING QUADRANTS.

5. FILTERS FOR FRESH AIR DIRECT FROM THE OUTSIDE ARE TO BE

OF THE WP77 WASHABLE PANEL TYPE, 50mm THICK, HOUSED IN

EASILY ACCESIBLE FILTER FRAME. RETURN AIR FILTERS AND

FILTERS FOR FRESH AIR ARE TO BE OF WASHABLE MATT TYPE

HOUSED IN A SUITABLE FRAME. TEMPORARY FILTERS ARE TO BE

USED DURING TESTING. A SPARE SET OF FILTERS IS TO BE

SUPPLIED AT HANDOVER.

6. ALL GRILLES, DIFFUSERS AND LOUVRES ARE TO BE AS SET OUT IN

THE SCHEDULES OR EQUAL AND APPROVED. RETURN AIR

GRILLES TO BE DUCTED HIDEAWAYS ARE TO BE FITTED WITH

PLENUM BOXES WHERE SHOWN THAT ARE SUITABLY SIZED TO

ACCOMODATE THE FLEXIBLE DUCT CONNECTION TO THE AC UNIT

AND ALLOW FREE FLOW IF DISC VALVES ARE TO BE USED IN LIEU

OF EXTRACT GRILLES, THESE ARE TO BE OF THE STEEL TYPE NO

SMALLER THAN 150mm DIAMETER.

7. SOUND AND VIBRATION DEADENING EQUIPMENT IS TO BE

PROVIDED WHERE INDICATED AND/OR REQUIRED. ALL OUTDOOR

SPLIT AND VRV UNITS ARE TO BE ISOLATED FROM THE

STRUCTURE BY TICO PADS. THOSE MOUNTED ON THE GROUND

ARE TO BE BOLTED TO 300x300 PAVING SLABS OR LOCATED ON

SUITABLE AND SIZED CONCRETE PLINTHS AND THOSE MOUNTED

ON WALLS, TO BE FIXED TO UNISTRUT BRACKETS. FLEXIBLE

COLLARS ARE TO BE USED BETWEEN SUPPLY AIR DUCTING AND

DUCTED HIDE-AWAY UNITS WICH ARE TO BE ISOLATED FROM THE

STRUCTURE BY RUBBER MOUNTS. SMALL TUBE AND BOX FANS

ARE TO BE ISOLATED FROM STRUCTURE BY RUBBER MOUNTS

AND FROM THE DUCTWORK BY ACOUSTIC FLEXIBLE DUCTING. ALL

OTHER FANS ARE TO BE MOUNTED ON SPRING MOUNTS AND

ISOLATED FROM THE DUCTWORK BY FLEXIBLE COLLARS.

8. ALL HVAC EQUIPMENT AND DUCTING TO BE HUNG AS HIGH AS

POSSIBLE, THE AC CONTRACTOR IS TO LIASE WITH THE OTHER

TRADES ON SITE TO CO-ORDINATE WITH THE OTHER SERVICES.

9. CONDENSATE DRAINS TO BE TRAPPED AT AC INDOOR UNITS AND

RUN TO NEAREST FOUL SEWER OR CONNECTION POINT

PROVIDED BY THE PLUMBER AT A FALL GREATER THAN 1:80.

CONDENSATE DRAINS FROM OUTDOOR UNITS TO BE RUN TO

NEAREST FULL-BORE. PIPING TO BE 40mm PVC WITH INSPECTION

POINTS WHERE REQUIRED TO ENABLE ACCESS TO ALL PIPEWORK

FOR CLEANING. PIPING TO BE SUPPORTED AT 750mm CENTRES.

ALL DRAINS TO BE TESTED PRIOR TO COMMISSIONING OF THE AIR

CONDITIONING UNITS. HEAT PUMP TYPE UNITS ARE TO BE

PROVIDED WITH DRAIN PANS FOR THE OUTDOOR UNITS.

10. REFRIGERATION PIPING TO BE RUN AS SHOWN ON CABLE TRAYS

SUPPORTED AT MAX 2000mm CENTRES. PIPE INSULATION TO BE

ARMAFLEX AF, AT LEAST 13mm THICK, ON BOTH SUCTION AND

LIQUID LINES FOR HEAT PUMPS. ALL INSULATION JOINTS TO BE

GLUED, TAPED AND SEALED. THE CABLE TRAY CARRYING THE

REFRIGERATION PIPING IS TO BE FIXED AS HIGH AS POSSIBLE

UNDER THE HVAC DUCTING AND EQUIPMENT WITHOUT

TOUCHING. PIPEWORK EXPOSED TO THE ELEMENTS IS TO BE

PROTECTED BY GALVANISED STEEL COVERS. UNPROTECTED

CONNECTIONS TO THE OUTDOOR UNITS MAY NOT EXCEED 500mm

AND MUST BE PROTECTED WITH CANVASS WRAPPING COATED

WITH FOSTER SEALFAS 30-36.

11. ALL SUPPORT STEELWORK, INCLUDING HANGER RODS AND

BRACKETS MUST BE GALVANISED. STEELWORK EXPOSED TO THE

ELEMENTS MUST BE HOT DIP GALVANISED AFTER ALL

FABRICATION WORK IS COMPLETE. FASTENERS ARE TO BE

GALVANISED AND WHERE EXPOSED TO THE ELEMENTS ARE TO BE

STAINLESS STEEL. FIXING SCREWS FOR GRILLES AND LOUVRES

ARE TO BE STAINLESS STEEL. ALL DISSIMILAR METALS ARE TO BE

GALVANICALLY ISOLATED FROM EACH OTHER BY NYLON

SPACERS.

12. ALL EQUIPMENT, DUCTING AND PIPING EXPOSED TO THE

ELEMENTS TO BE PAINTED. ALL OUTDOOR UNIT COILS TO BE

TREATED AS PER SPECIFICATION.

HVAC LEGEND:

CONDENSATE PIPING

REFRIGERANT PIPING

02/08/2016A

Scale

1:100

EFFOR TENDER30/06/2017B

B