83963/E8 INSTALLATION AND COMMISSIONING OF QTY-02 UG POWER CABLE FROM POWER HOUSE TO RADAR HEAD AND PORTABLE GROUND POWER SUPPLY AT AF STATION DINJAN UNDER GE (AF) MOHANBARI

Amount

Excavation in trenches not exc. 1.5 m wide and not exc. 1.5 m in depth for taking out/ laying of under ground cable, pole/ pipe or stay and getting out in soft/ loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 cm thick with soils complete all as specified and as directed.

Removing of excavated material (soil) to distance not exc.50metres and deposited where directed at a level not exc.1.5 metre above the starting point complete all as specified and as directed.

Material and labour for dry river sand as in sand cushioning in trenches/ ducts for protection of underground cable (below, above and around the UG cable laid in trenches) of 23 cm spread thickness ( 8 cm in depth before laying the cable and 15 cm in depth after laying the cable) and consolidated (punned) up to 18 cm thickness complete all as specified and as directed. Note : - Thickness after punning shall be measured for payment.

Material and labour for sub class 'B', old size bricks for cable protection cover, common burnt clay building bricks, laid dry and flat abutting each other with width equal to length of brick and gap between adjacent bricks not exc.10mm complete all as specified and as directed.

Material and labour for boring holes under road, pavement hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150mm dia suitable for 0.4 mpa working pressure complete all as specified and as directed.

Supply, laying, testing and commissioning for HT XLPE cable , insulated, screended, PVC bedded, galvanised steel strip or wire armoured, electic power cable (heavy duty) with stranded aluminium conductor, conforming to IS : 7098 (Part II), 11 KV "E" grade, cross sectional area laid in trenches/ on wall/ poles/ducts/ inside protection pipe including MS clamp with nuts, bolts etc (wherever cable laid on ceilings/ walls without cable duct) of size 95 Sqmm 3 core complete all as specified and as directed. (Note :- Excavation, earth work, sand cushioing measured and paid sepretaly under relevant items.)

Supply, laying, jointing, testing and commissioning of LT XLPE under ground cable1100 volts grade of size 400 Sqmm 3.5 core, laid in trenches/ poles/ duct/ inside protection pipe including cable glands, lugs and MS clamp with nuts, bolts etc of suitable size (wherever cable laid on ceilings/ walls without cable duct) complete all as specified and as directed. (Note: Earth work and excavation shall be measured and paid seperately under relevant item.)

Supply, laying, jointing, testing and commissioning of LT XLPE under ground cable1100 volts grade of size 50 Sqmm 3.5 core, laid in trenches/ poles/ duct/ inside protection pipe including cable glands, lugs and MS clamp with nuts, bolts etc of suitable size (wherever cable laid on ceilings/ walls without cable duct) complete all as specified and as directed. (Note: Earth work and excavation shall be measured and paid seperately under relevant item.)

Supply, installation, testing and commissioning of servo voltage stabilizer (confirming to BIS9815:Part-1: 1994) of capacity 150 KVA, out door canopy headed IP 55 protection class (CPRI approved), copper wound, three phase, 50 HZ, naturally oil cooled with outdoor use, unbalanced type, copper wound, metallic body duly powder coated with lifting hooks-02 Nos, digital display type meter, relays, smooth and silent operation with 1st filling on transformer oil up to recommended level having following specification:- (a) Input voltage 300V-480V (b) Output voltage stabilized at voltage 415 + 1% (c) Rated frequency 50 Hz (d) No distortion in wave form (e) Response time not to exceed 20 milli second (f) Sensitivity (+/-) 1% (g) Rate of correction minimum 8 volt/ second for single phase and 20 volt/ second for phase to phase (h) Efficiency more than 95% (i) Type of load: Three phase & neutral, unbalanced type (j) Digital display meter showing voltage, current, frequency, PF (k) Over load/ short circuit protection (l) High & low voltage cut off (m) By pass arrangement in case of emergency (n) Single phase protection (Note: Foundation plinth for stabilizer as recommended by manufacturer is deemed to be included in the item quoted rate.)

Supply, installation, testing and commissioning of outdoor type transformer step down, copper wounded having primary side for HT three phase 11 KV & secondary for 3 phase 433 Volts, 4 wire, 50 Hz of capacity 100 KVA as per IS-1180 Part-I (or as per latest IS amendment), minimum Level-II with and including the following specifications:- (i) No load voltage ratio-11KV/ 0.433 KV, (ii) Nos of phase-three (iii) Type of cooling- ONAN, (iv) Frequency-50 Hz (v) Vector Group-DYN 11, (vi) Two earthing terminals for body earthing and two additional for neutral, (vii) Oil level gauge indicating with minimum and maximum indication, (viii) Lifting lugs rollers and MS terminal box on both HT and LT side, (ix) Rating and terminal marking plate, (x) Breathing device which would not permit ingress of moisture, rain water and insects, (xi) Drain-cum-sampling valve (3/4" nominal size thread) preferably steel with plug, (xii) Thermometer pocket, (xiii) Oil filling hole (1-1/4" Nominal size thread) with cover and conservator, (xiv) Connection- Delta/ Star, (xv) Temperature rise in oil- 40 deg celcius, (xvi) Temperature rise in windings- 45 deg Celcius, (xvii) Winding material- Copper wound, (xviii) High voltage& low voltage terminal with cable box, (xix) Service- outoor type, (xx) Neutral- Internally conneted with earthing lead and bush, (xxi) Off load tap changar (+5% to -10% in steps of 2.5% with 7 position), (xxii) First filling of transformer oil upto recommended level. Note:- Foundation plinth for the transformer as recommended by manufacturer including chain link tencing around transformer of minimum size 3m x 3m x 2m including entry gate of size 1.5m x 2m made of wire mesh size 80mm x 80mm. GI/ MS support angle of size 50mm x 50mm x 5 mm. Iron strip of 50mm x 5mm for frame work complete with suitable PCC (1:3:6) type C1 as in complete all as directed foundation including earth work Rate is deemed to be included in the item quoted. rate

Supply and connecting cable jointing kit for 1.1 KV grade cable for straight through joint complete with iointing material heat shrink type and accessories suitable for 3 ½ / 4 core XLPE, armoured, aluminium conductor cable of size 400 sqmm, outdoor type complete all as specified and as directed.

Supply and connecting cable end termination jointing kit indoor type for 11KV (Earthed) grade cable of size 95 Sqmm, 3 core, heat shrinkable type joint complete with jointing material and accessories complete all as specified and as directed.

Supply and connecting cable end termination jointing kit outdoor type for 11KV (Earthed) grade cable of size 95 Sqmm, 3 core, heat shrinkable type joint complete with jointing material and accessories complete all as specified and as directed.

Material and labour for pre-cast cement concrete (1:2:4) type B1 (using 20mm graded broken stone aggregates) route indicator of width 45 cm, depth 10 cm and height 100 cm and overall embeded to the depth not less than 45 cm below ground level including necessary earth work suitable for mounting on route of underground cable complete all as specified and as directed.

Material and labour for writing letters or figures (Block, Roman, Italic or Indian) exc 30 cm high as per colour scheme complete all as specified and directed.

Material and labour for earthing complete with galvanized steel earth plate electrode 600mm x 600mm x 6mm thick buried directly in ground (earth pit not less then 2.25 meter deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level connected to galvanized earth strip 32mm x 6mm as earth strip electrode bolted or rivetted to earth plate at one end and connected to equipment/ panel/ test point at another end as directed and including provision of concrete pit in PCC (1:3:6) type C1, pre-cast RCC (1:2:4) type B1 cover slab 50mm thick duly reinforced with MS TMT bars 8mm dia @ 100 c/c both ways with 10mm dia MS round bar as in lifting handles including funnel, wire mesh, 20 mm bore galvanized steel tubing (medium grade) for watering, filling charcoal or coke and salt in alternate layers, 40mm bore galvanized steel tubing light grade for protection of earth lead connection, necessary excavation and earth work in any type of soil and including necessary testing complete all as shown on electrical plate No.3 of SSR Part-I . (Note: GI earth wire and protection pipe upto 7.5metres shall deem to be included in the quoted rate)

Material and labour for earthing complete with copper earth plate electrode 600mm x 600mm x 3mm thick buried directly in ground (earth pit not less then 2.25 meter deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level connected to copper earth strip 20mm x 3mm as earth strip electrode bolted or rivetted to earth plate at one end and connected to equipment/ panel/ test point at another end as directed and including provision of concrete pit in PCC (1:3:6) type C1, pre-cast RCC (1:2:4) type B1 cover slab 50mm thick duly reinforced with MS TMT bars 8mm dia @ 100 c/c both ways with 10mm dia MS round bar as in lifting handles including funnel, wire mesh, 20 mm bore galvanized steel tubing (medium grade) for watering, filling charcoal or coke and salt in alternate layers, 40mm bore galvanized steel tubing light grade for protection of earth lead connection, necessary excavation and earth work in any type of soil and including necessary testing complete all as shown on electrical plate No.3 of SSR Part-I . (Note: Copper earth wire and protection pipe upto 7.5metres shall deem to be included in the quoted rate)

Material and labour for construction of PCC foundation platform with PCC (1:3:6 type) type C2 (using 40mm graded broken stone aggregates) including necessary earth work, form work complete all as specified and as directed.

Material and labour for cross arms, bracing, supports clamps and back plates fabricated from structural steel section including nut, bolts, washers, welded, binding, cold and hot drilling holes for bolts in any shape or size as required duly painted with two coats of aluminium paint over a coat of red oxide primer after preparation of surface complete all as specified and as directed.

Garg Brothers

TOTCO

M/S R G Construction

M/s PRABIR ENTERPRISE

PURBANCHAL BUILDERS

kabitaconstruction

MONA GENERATOR SEVICES PVT. LTD.

Vinayaka Enterprises

SHRI GANESH ENTERPRISES

satyabhama and co

M/s HALDER ENTERPRISE

NChetia and Sons Trading

STANDARD ELECTRIC WINDERS