PROJECT OWNER CON#$LT%NT
: POL Depot, Cochin : IBP Co. Limite . : B&lme' L&('ie ) Co. Lt .
Volume - 2 DOC. NO. POL!E-" Tech. #pec*. +o' Elect'ic&l - ,ene'&l
Tech. Specs. for Electrical - General
Contents: GENERAL SCOPE OF WORK
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PROJECT OWNER CON#$LT%NT
: POL Depot, Cochin : IBP Co. Limite . : B&lme' L&('ie ) Co. Lt .
Volume - 2 DOC. NO. POL!E-" Tech. #pec*. +o' Elect'ic&l - ,ene'&l
1.0.0 1.1.0
GENERAL Intent of Specification This specification is intended to cover complete design , manufacture , supply and efficient erection, testing and commissioning of various Electrical equipment , as per enclosed single line drawings and as specified hereinafter inclusive of the supply of all labour, supervision, tools, implements and equipment/erection materials as necessary at site at POL Depot of !P"
1.2.0
Standards & Codes The complete supply and installation wor# for the equipment and accessories covered under this specification shall be designed, manufactured, erected, tested and commissioned in accordance with the latest $$" n cases where $$ are not available, the equipment and accessories shall conform to the latest publication of E% or other recognised &ational $tandard nstitutions" 'll electrical equipment and installation wor# shall also conform to ndian Electricity (ules )*+, with latest amendment, &ational Electrical %ode )*-+, O $D guideline and .ire nsurance (egulations as regards safety, earthing and other essential provisions specified therein for installation and operation of electrical systems" &othing in this specification shall be construed to relieve the %O&T('%TO( of this responsibility"
1.3.0
System Description Power shall be received at )) /0 at !P1s DP $tructure from $E! through overhead line" .rom the )) /0 DP/ 2P structure, power shall be tapped through )) /0 3LPE cable and connected to the indoor, dry type, on4load tap changing type transformer through ))/0, $.,/ 0acuum %ircuit brea#er" The transformer shall feed power at 2)+ volt to a draw out type Power cum 5otor %ontrol %entre 6P5%%7, which in turn, shall control the drives of product pump house as well as distribute power to plant lighting system, various au8iliary 5%%s for fire fighting pump house, O9$, bore well/drin#ing water pumps etc"
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PROJECT OWNER CON#$LT%NT
: POL Depot, Cochin : IBP Co. Limite . : B&lme' L&('ie ) Co. Lt .
Volume - 2 DOC. NO. POL!E-" Tech. #pec*. +o' Elect'ic&l - ,ene'&l
There shall be two6:7 nos" 2)+ volt D; sets with acoustic enclosure rated :+< /0' and =+ /0'" During outage of normal grid power, the :+< /0' D; set shall cater power to essential plant operational loads including lighting system, whereas, the =+ /0' D; set is meant for supplying only lighting load !orewell pumps and fire fighting system during outage of grid power at night" !oth the D; sets shall never run simultaneously" The details of various equipment relevant to the electrification wor# have been elaborated in the subsequent sections of this document" 1. .0 Desi!n "asis )) /0 system shall be > phase, +<?@, solidly grounded" 2)+ volt system shall be > phase and neutral 62 wire7, +< ?@, solidly grounded" 'll equipment and system shall be designed to suit the following voltage and frequency variation A i7 ii7 n case of 2)+/:2< 0 variation A 6B/47 )<C n case of ))/0 variation A 6B/47 )<C
The frequency variation shall be B/4 +C in both cases" 'll equipment shall be designed for smooth, efficient and trouble free operation in tropical humid climate for a ma8imum ambient temperature of +<<%" The derating of all equipment shall be done accordingly" 5a8imum relative humidity of )<<C shall also be ta#en into account" 5a8imum temperature and relative humidity however may not occur together" 2.0.0 2.1.0 :")") SC#$E #% &#R' Scope #f S(pp)y The wor# involves design, manufacturing, testing at wor#s, timely supply and transportation to site in properly pac#ed condition of all equipment and miscellaneous items as indicated hereinafter and required to complete the electrification Dob under this $pecification" .or procurement of materials / components items etc" the list of ma#e enclosed with this specification shall be strictly followed" The supply of equipment and material shall include but not limited to A a7 b7 )) /0 DP/ 2P $tructure ndoor ?T $witchgear (efer Document &o" POL/E4) POL/E4:
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PROJECT OWNER CON#$LT%NT
: POL Depot, Cochin : IBP Co. Limite . : B&lme' L&('ie ) Co. Lt .
Volume - 2 DOC. NO. POL!E-" Tech. #pec*. +o' Elect'ic&l - ,ene'&l
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Transformer D; $et LT distribution $ystem6$hop Electrics7
POL/E4> POL/E42 POL/E4+
The supply of materials and miscellaneous items related to cabling and grounding wor# shall include but not limited to A !ric#s, sand, pre4cast slab etc" as required for underground cable laying 6directly buried7" 5ild steel site fabricated cable trays, nuts, bolts and washers, wall brac#ets, hangers, clamps etc" ;alvanised steel rigid/fle8ible conduits and accessories, ferrules, lugs, glands, terminal bloc#s, galvanised sheet steel Dunction bo8es, push button stations, cable fi8ing clamps, nuts E bolts etc" as required" %able termination and Dointing #its, cable glands and lugs as necessary" ;rounding materials and connections" $tructural $teel for support of local starters, isolators, Lighting panels etc"
:")"2 :")"+ 2.2.0 :":")
'll equipment, materials, hardware and accessories to be supplied by the bidder shall be brand new ones of reputed ma#e" 'll relevant drawings, data sheet and technical leaflets on each piece of device" Scope #f Ser*ices .urnishing of all labour, s#illed and uns#illed, supervisory and administrative personnel, erection tools and tac#le, testing equipment, implements, supplies, consumables and hardware for timely and efficient e8ecution of the erection wor#" Transport vehicles and cranes necessary for efficient movement and transportation of equipment at site of erection" %omplete assembly, erection, testing and commissioning, putting into successful and satisfactory commercial operations of the Electrical Equipment and accessories shall be carried out generally as described in the Document &o" FE4,G FTechnical specification for nstallation E %ommissioningG" The items of wor# to be performed on all equipment and materials shall include but not limited to the followings A
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PROJECT OWNER CON#$LT%NT
: POL Depot, Cochin : IBP Co. Limite . : B&lme' L&('ie ) Co. Lt .
Volume - 2 DOC. NO. POL!E-" Tech. #pec*. +o' Elect'ic&l - ,ene'&l
a7 b7 c7 d7 e7 f7 g7 h7
Opening, inspection and reporting all damages and short supply items" 'rranging to repair and/or re4order all damaged and short supply items" $toring at site with suitable all weather protection" 'ssemblies, erection and complete installation" .inal chec#4up, testing and commissioning in presence of ownerHs representative" Trial run for seven 6=7 days, rectification of defects, if any and adDustments as necessary" (e4rolling of cables on new drums if so desired by the Owner" Obtaining EngineerHs approval and OwnerHs written acceptance of satisfactory performance"
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