section 16110 raceways, boxes and fittings

8/12/2019 SECTION 16110 RACEWAYS, BOXES AND FITTINGS

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SECTION 16110

RACEWAYS, BOXES AND FITTINGS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of Contract, including General and special Conditions and Division-1(General Requirements) appl to wor! of t"is section.

#. General $rovisions for %lectrical &or! 'ection 11.

C. *"e requirements of t"is section appl to racewas specified elsew"ere in t"is specification.

D. 'pecification 'ection 1++ /ounting and 0solation of /ec"anical and %lectrical 'stems and relatedcontract drawings, appl to t"is section of t"e wor!.

1.2 DESCRIPTION OF WORK

A. &or! includes providing completel coordinated grounded racewa sstems complete wit" o2es,fittings, supports, anc"ors, sleeves, "angers, clamps, straps, seals, fle2ile connections to viratingequipment and accessories, as specified and as required for a complete sstem. Conduit or tuingsi3es referred to in t"e specifications and on t"e Drawings are nominal internal diameters. Racewa isrequired for all wiring unless specificall indicated or specified ot"erwise.

1.3 QUALITY ASSURANCE

A. /anufacturers 4irms regularl engaged in manufacture of racewa sstems, o2es and fittings oftpes and si3es required, w"ose products "ave een in satisfactor use in similar service for not lesst"an + ears and s"all e of one manufacturer, approved t"e !a"ramaa, and conform to t"erequirements set fort" in t"is specification.

#. 'tandards Compliance Compl wit" requirements of applicale local codes, !a"ramaa regulationslatest edition, 5D%6D07, 0%C, #', 7%C, 89 and 7%/A 'tandards pertaining to racewas, o2es andfittings. $rovide racewas, o2es and components w"ic" "ave een 89 listed and laelled.

C. 0n case of conflict among t"e referenced standards and codes, t"e more stringent provision will govern.

1. SUBMITTALS

A. $roduct Data 'umit manufacturer:s tec"nical product data, including specifications and installationinstructions, for eac" tpe of racewa sstem and o2 required. 0nclude data sustantiating t"atmaterials compl wit" requirements.

#. 'amples 'umit 1+cm lengt" of e2posed tpe surface racewas wit" required finis", in accordancewit" requirements of Division 1.

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C. '"op Drawings sumit dimensioned laout drawings on arc"itectural ac!grounds of racewas, o2esand fitting including, ut not limited to si3e of racewas, o2es and f ittings elevations, tpe andreference no.

PART 2 - PRODUCTS

2.1 RACEWAYS

A. Rigid 'teel Conduit (R'C) 4ull weig"t steel pipe "ot dipped galvani3ed inside and outside, t"readed,minimum


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A. GENERAL

1. Accessories as required including, ut not limited to, us"ings, !noc!out closures, loc!nuts,mounting rac!ets, device o2 e2tensions, switc" o2 supports, plaster ears, and plasteroarde2pandale grip fasteners, w"ic" are compatile wit" device o2es eing utili3ed to fulfill installationrequirements for individual wiring situation.


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B. RIGID STEEL AND INTERMEDIATE METAL CONDUIT FITTINGS

1. 'teel or malleale iron, standard t"readed couplings, loc!nuts, us"ings, and elows.


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PART 3 - EXECUTION

3.1 INSPECTION

A. %2amine conditions under w"ic" racewas, o2es, accessories, and fittings are to e installed andsustrate w"ic" will support racewas. 7otif Arc"itect in writing of conditions detrimental to propercompletion of t"e wor!. Do not proceed wit" wor! until unsatisfactor conditions "ave een corrected.

3.2 INSTALLATION

A. GENERAL

1. 0nstall racewas, o2es, accessories, and fittings as indicated, in accordance wit"manufacturerFs written installation instructions, requirements of applicale standards, and inaccordance wit" recogni3ed industr practices to ensure t"at installation complies wit"requirements and serves intended function.


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11. $rovide long radius ends for empt racewa sstems w"ere required to satisf t"e sstemcaling requirements.

1ur or e2cessive strain to racewa or cale. &"ereracewa si3e is not indicated, follow applicale code.

1;. eep end of racewas plugged or capped during construction.

1. 4or empt racewas over ;m long, provide fis" or pull wire. 4or ;.m and larger pull wire toconsist of steel core nlon rope and terminal all.

1+. Remove damaged or deformed racewas.

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1. Do not support ranc" circuit conduits t"e suspended ceiling or its supporting memers,lig"ting fi2tures, mec"anical piping, or air conditioning ducts.

1. Conduits are not to cross pipe s"afts or ventilating duct openings. Avoid present and futureopenings in floor, wall or ceiling construction, w"en so indicated on drawings.

1. eep conduits a minimum distance of +cm from parallel runs of fuels or similar and 1+cm from

"ot water pipes or ot"er sources of "eat. &"erever possile, install "ori3ontal racewa runsaove water and steam piping. $rovide t"ermal insulation w"ere t"ese separations cannot emaintained.

1?. 'upport riser conduit at eac" floor level wit" clamp "angers.


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1. 4le2ile conduit at t"e entries, e2its, and outlets.

oints.

+. Ruer gas!eted recessed outlets.

. #ac! plaster recessed outlets.. 4ree-standing equipment wit" viration isolators.

C. RIGID STEEL CONDUIT

1. 8se rigid steel conduit for underground installation, in wet or damp locations, for e2posed runson t"e e2terior of t"e uilding, in concrete slas, for all feeder conduits, in mec"anicalequipment spaces, and as noted.


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oints s"all e watertig"t.

*"e same conditions s"all appl to >oints etween conduit, fittings and accessories. *"e dippingof conduit or fittings into solvent ad"esives is e2pressl foridden. #efore >oints are made,conduit ends s"all e cut square and all urrs and s"arp edges s"all e removed. Care s"oulde ta!en to remove all damp, grease, cement dust and oil from all faces of conduits andaccessories prior to >ointing. Conduits s"all e entered full into o2 spouts and utted intocouplers, ot"er t"an e2pansion couplers, for >ointing purposes.

. 'crewed $5C conduit s"all not e used unless specificall called for on t"e drawings or w"ent"e $5C conduit is to e connected to metal equipment, conduit and fittings wit" screwedentries. &"ere suc" entries are not availale, non-screwed male us"es and couplers s"all eused.

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?. &"ere conduit crosses uilding e2pansion >oints or w"ere t"ere are c"anges of temperature ine2cess of umper.

B. 4or Ea3ardous 9ocations w"ere applicale

1. 8tili3e rigid steel onl, unless ot"erwise noted.


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3.3 FIELD QUALITY CONTROL

9. 8pon completion of installation of racewas, perform continuit tests testing t"e resistance of allfeeder conduits from t"e service to t"e point of t"eir final distriution using 1 conductor return. 9imitt"e ma2imum resistance to

section 16110 raceways, boxes and fittings

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