SPL REPAIR TO EARTHING AND LIGHTENING PROTECTION AND ALLIED WKS IN VARIOUS SUB STN AND PROVN OF 01 HIGH MAST LIGHT AT KITA PREMISES AND 08 X 11 M HEIGHT POLE WITH 32 FLOOD LIGHT ALONGWITH SERVICE CONNECTION AT RWA, SANJAY VIHAR UNDER GE (N) BINNAGURI

Amount

Taking down old unserviceable Earthing pit of any type with accessories including removing of dismantled/demolished material from work site at any distance out side MD land complete all as specified and as directed.

M&L for earthing complete with galvanized steel plate electrode of size 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25m below ground level) with top edge of the earth plate not less than 1.5 m below ground level connected to GI earth strip 25 x 4mm thick by means of nuts, bolts, check nuts and washers galvanized iron or steel all as shown in electrical plate No 3 of SSR Part-I, connected to earth test point all as specified or indicated including excavation and connected earth work in soft/loose soil, PCC 1:3:6 type C1 as in pit, 20mm dia GI pipe medium grade for watering pipe, 40mm bore GI light grade earth lead protection pipe, 50mm thick RCC 1:2:4 type B1 cover slab of earth pit reinforced with 8mm dia TMT bars @10cm C/C both ways and with handle made out of 10mm dia bars, funnel, strainer, charcoal and testing on completion, complete all as specified and as directed. Notes :- (a) The earthing pit should be provided with proper earth pit and pit cover. Pit cover should be painted with synthetic enamel paint of approved colour and pit number to be marked on a GI plate as per colour code followed in Station. (b) If the desired earth resistance is not achieve during testing as per IS the complete earthing shall be carried out by the contractor at his own cost and no extra claim shall be admissible.

All as per item No 2 above but using galvanized iron strip 32x6 mm as earthing lead complete all as specified and as directed.

All as per item No 2 above but using copper plate 600x600x3.15mm thick electrode and 20 x 3mm copper strip as earthing lead complete all as specified and as directed.

Material and labour for Chemical earthing complete with copper earth plate electrode of size 90cmx60cmx5.0mm buried directly in ground (earth pit not less than 2.25 m deep below the normal ground level) with top edge of plate not less than 1.5m below normal GL connected to copper earth strip 50 x 6mm,all as shown on electrical plate of SSR Part - 1, using 5 Nos alternate layers of charcoal and salt crystal and a final layer of Magnesium sulphate of 5 cm thickness to be provided and connected to earth test point including 25 mm dia GI medium grade pipe for watering with funnel and wire meshed and 63 mm dia GI light grade pipe for protection of earth strip and providing water supply connection from nearest water supply point and testing complete all as specified and as directed. Notes:- (a) The unit rate shall deemed included for earth work in soft/loose soil, PCC (1:3:6) type C-1 chamber, RCC (1:2:4) cover 50mm thick reinforced with 8mm dia TMT bars @ 100mm c/c both ways, strainer, funnel and with handle made out of 10mm dia bars with watering pipe 25mm dia medium grade, GI protection pipe light grade 63mm dia, and wire mesh complete in addition to item No. 1 (a) to (e) of preamble (notes) under sub - heading earthing, specified on SI. page No. 451 of SSR Part-II (Rates). (b) The earthing pit should be provided with proper earth pit and pit cover. Pit cover should be painted with synthetic enamel paint of approved colour and pit number to be marked on a GI plate as per colour code followed in Station. (c) If the desired earth resistance is not achieve during testing as per IS the complete earthing shall be carried out by the contractor at his own cost and no extra claim shall be admissible.

All as per item No 5 above but copper earth strip 32 x 6mm and GI protection pipe light grade 40mm dia complete all as specified and as directed.

S&F in repair for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required for 20 mm x 3 mm thick, copper strip using porcelain clit/post insulators complete all as specified and as directed.

S&F in repair for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required for 32 mm x 6mm thick, copper strip using porcelain clit/post insulators complete all as specified and as directed.

S&F in repair for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required for 25mm x 4mm thick, galvanised iron strip using porcelain clit/post insulators complete all as specified and as directed.

S&F in repair for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required for 32mm x 6mm thick, galvanised iron strip using porcelain clit /post insulators complete all as specified and as directed.

S&F in repair earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required 4mm dia galvanised iron or steel wire complete all as specified and as directed.

Taking out of old GI tubing of any grade and size in trenches/floor/fixed to pole for earth protection complete all as specified and as directed.

S&F GI tubing, 32 mm dia bore, light grade with all fittings laid in trenches or fixed to wall complete all as specified and as directed.

S&F test point terminal block made of gun metal or phosphorous bronze, size 75mm x 75mm x 25 mm thick, drilled and screwed including 3 Nos, 8 mm dia, 25 mm long hexagonal head screws, including MS box 2 mm thick of suitable size for protection of test point terminal, including dismantling of old unserviceable test point complete all as specified and as directed.

M&L for cutting existing steel tubing for additional/ alteration (each cut measured) of size 50 mm dia complete all as specified and as directed.

M&L for screwing existing steel tubing 50mm dia for taking new branch connection complete all as specified and as directed.

S&F 20mm dia bib tap, self closing taps of cast iron or malleable cast iron, galvanised, screwed for fixing to iron pipe of size 20mm dia including taking down of existing tap and removal from site complete all as specified and as directed.

Excavating in trenches, not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth for taking out/laying of under ground cable and getting out in soft/loose soil complete all as specified and as directed

Excavation in trenches in soft/loose soil, not exceeding 1.5m wide and exceeding 1.5m depth and not exceeding 3.0m in depth for underground cable, pole and getting out all excavated materials and for laying of cable including trimming sides and bottom of trenches etc all complete as specified and as directed.

Returning, filling in, including spreading, watering, leveling and well ramming in layers not exceeding 25 cm in soft/ loose soil complete all as specified and as directed.

Removing surplus excavated soil n.exc 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and as directed.

M&L for checking of existing old earthing pits and lightening conductors and repairs/replacement of GI/Aluminium strips where found corroded and repairs to pits and testing of earth resistance value and pouring salt/charcoal for obtaining earth value below 5m complete all as specified and as directed.

S&F porcelain insulator of size 65 x 31mm and 20mm hole with three numbers hole including GI bolts and nuts of required size and two nose washer on PCC, fixing strip complete all as specified and as directed.

S&F in repairs air termination, single pointed, copper rod 12mm dia and 300mm long fixed on copper strip for earth conductivity to ground complete all as specified and as directed

All as per item No 24 but fixing in repair only complete all as specified and as directed. Note: The serviceable air termination obtained from above shall be reused.

M&L for GI tubing, 20 mm dia bore, light grade galvanised, with all fittings laid in trenches including taking down of existing pipes and removal from site complete all as specified and as directed.

All as per item no 26 but of size 25 mm dia complete all as specified and as directed.

M&L for GI tubing, 40 mm dia bore, light grade galvanised, with all fittings fixing on top of the building for fixing of Air terminal including taking down of existing pipes and removal from site complete all as specified and as directed.

M&L for earth pit marking sheet made of MS black sheet of size 150 mm x 150 mm x 6 mm including 16 mm dia rod welded to sheet complete all as specified and as directed.

M&L for earthing pit in PCC (1:3:6) type C-1, pre-cast reinforced cover with MS XPM Jalli, RCC 1:2:4 cover slab of size 300 mm x 300 mm x 100 mm thick, with one handle made out of 8 mm dia round bar including necessary earth work complete all as specified and as directed.

Supply, errection, Installation ,Commissioning & testing of High Mast lights with the following:- (a) Supply of galvanized Steel mast of 16.0 mrts height Mast lighting system, technical data with the scope of work includes the following:- (i) Steel mast height 16.0 Mtr (galvanizing std IS 4759 )( Material construction of high mast sheet will be of BSEN 10025 / lS 5986 Gr Fe 510 or equivalent) cross section of mast 20 sided polygon ;No of parts along length 2 (Top dia 150 mm (A/F) & bottom dia 360 mm (A/F) (ii) Part 1: 8301 mm (Bottom) thickness 4mm ; Part 2: 8300 mm thickness 3 mm (iii) Metal Protection - Hot dip galvanizing internally & externally (iv)Thickness of galvanization - average coating 86 microns for > 5mm sheet thickness/65 microns for <5mm sheet thickness (v) Base plate details :- base plate dia : 520 mm, thickness : 25mm (vi) Lightning protection finial - 1.2m Galvanized, single spike (vii) HD bolts dia 24mm/ HD bolts Nos : 8 / HD bolts PCD 445 mm/ HD bolts embedded length as per manufacturer TDS (viii) Material construction : 40 NB ERW class B Sq pipes or circular pipe with 8 arms (ix) Dia of lantern ring - as per head frame design in two halves (x) LED Flood light 200 watt (Model of LFLN-200-CDL/60 or equivalent as approved by the GE) - 8 Nos (xi) LED type twin Aviation obstruction light - 01No (xii) Wind 2 drum manual and power operated, Speed 50m/sec; terrain category- 2, Class-A, including 3 phase 415 volts 1.5 HP power tool) (xiii) Stainless Steel wire Rope : grade AISI 316, 7/19 Con , dia 6 mm braking load minimum -2500 Kg (xiv) Service Wiring feeder to flood light FRLSH , IS- 694 copper cable size 4 Sqmm (minimum) (b) Supply, installing, testing and commissioning, factory made and tested. LT feeder pillar box (KIOSK), outdoor type CPRI approved, (635x500x230mm) platform mounted, The panel shall be dust and vermin proof, IP 65 class protection and made of 3.15mm CRCA MS sheet and 40x40x4mm thick angle iron frame work, powder coated finish over one coat of red oxide primer outside and two coats of red oxide primer on inside, front opening type, with aprons for cable entry, with double door shutter and locking arrangement (including provision of 65mm Godrej (Freedom) stranded lock with 2 keys, internal wiring with PVC insulated, stranded copper conductor, FRLSH cables, IS-694 marked of adequate size but not less than 10 Sqmm. The following items accommodated this feeder pillar including 2 nose danger notice plate made of 1.6 mm thick mild steel sheet, vitreous enameled white of size 25 x 20 cm with letter figures and conventional skull bones in signal red colour and fixed nuts, bolts and washers etc with voltage and danger indicated in Hindi and English complete all as specified and directed. The scope of work includes the following items accommodate and including the same panel:- (i) Stag type,4 way terminal(I/P) 63 Amps - 1 No (PCB 150 ACBC) (ii) MCCB 32 Amps 4 pole - 1No (iii) Contactor 3pole 65 Amps -1 No (iv) toggle Switch 6Amps - 1 No (v) Digital timer of capacity (05-60) (vi) Stage type, 4way terminal (O/P) 63A - 1 No (PCB 150 ACBC (vii) Over load relay 2/3.5A - 1 No (viii) F. contactor 9A - 1No (ix) R. contactor 9A - 1No (x) Motor terminal 32Amps -1 No (ACBC) (xi) Push switch terminal (STD)-1No (Elach) (xii) Push switch (F/R) STD - 1 No Notes:- (a) Work to be executed as per standard engineering practice and as per manufacturer's instruction. (b) Before placing the order the design/ drawing of high mast of the manufacturer shall be got approved from the GE by Contractor. (c) Work to be executed by the manufacturer or their authorized rep and undertaking of the same from the manufacturer be submitted prior to execution / completion. (d) Size of RCC foundation Shall be carried out as per manufacturers drawings including necessary earth work, foundation concrete etc complete all as specified and as directed.

Supply, laying, jointing & testing in trenches or passing through pipe, 1100 volts grade, XLPE insulated PVC bedded, galvanized steel strip or wire armoured LT electric power UG cables, heavy duty with stranded aluminium conductor of cross sectional area 16 sqmm 4 core with and including all fixing & connecting accessories such as Aluminum cable lugs, cable gland, nut, bolts, washer etc complete all as specified and as directed.

Supply and lay dry river sand filling for under ground cable protection with a layer of 8cm deep before laying and 15cm covering above the top edge of cable after laying complete all as specified and as directed.

Supply and laying sub class B bricks of size 23cmx12.5cmx7.5cm (+/-10% tolerance) for protection of UG cable with width equal to length of bricks as mechanical protection laid dry and flat complete all as specified and as directed.

Supply and erecting steel tubular swaged pole (type 410 SP - 55), 11.0 meter overall length confirming to suitable IS complete with cast iron base plate, finial taper plug bolts, nuts and screw including painting all external exposed steel surfaces with two coats of aluminium paint over a coat of red oxide zine chrome primer and all internal surfaces & external surfaces in contract with concrete with two coats of black bituminous paint complete all as specified and as directed

S&F LED flood light luminaires 100 Watts IP 65 type with lens including standard fittings pressure die cast aluminium housing with heat resistant toughened front glass housing with epoxy powder coated finish and , complete with control gear box and all accessories duly prewired and connecting to junction box and testing complete all as specified and as directed.

M&L for PCC (1:4:8) type D2 using with 40 mm graded stone aggregate in foundation filling for steel pole complete all as specified and as directed.

S&F 50 mm dia GI tubing light grade laid in trenches/ laid under floor for protection of cable including all fittings such as elbow, bends, etc and short length complete all as specified and as directed.

M&L for cement concrete (1:3:6) type C-2 using with 40mm graded stone aggregate for foundation of stay assembly/struts/pole etc (around the poles in pit) complete all as specified and as directed.

M&L for PCC (1:3:6) type C-1 using 20mm graded stone aggregate for coping/pedestal of poles including necessary form work, fair finishing to exposed surfaces by using extra cement complete all as specified and as directed.

M&L for one run of 2.5 Sqmm 3 Core (Nominal Area) PVC Sheathed multi stranded unarmed copper conductor cable LT 1100 volt grade conforming to IS 7098 FRLS (inner sheet) in existing position from pole junction box to light fitting complete all as specified and as directed.

S&F flood light bracket made out of angle iron 50X50x5mm by cutting, welding and well finishing suitable size complete with drilling, hole, fixing with nuts bolts and washers including painted with two coats aluminium paint over a coat of red oxide primer complete all as specified and as directed.

S&F loop in-loop out fuse junction box of internal dimension 250 x 200 x 100mm made of FRP sheet with weather proof canopy and locking screw fitted with and including 50 Amp rated 4 way connectors for 3 phase and neutral incoming/outgoing, mounted in the box, fixing on street pole/rail poles including necessary aluminium clamps, suitable glands, lugs and GI nut and bolt junction box complete all as specified and as directed. Note: Contractor shall provide cable lugs and PVC gland of suitable size if required on site for connecting cable in junction box.

M&L for earthing complete with galvanized steel plate electrodes of size600x600x6mm thick buried directly in ground with earth pit not less than 2.25 meter deep below normal ground level with top edge of plate not less than 1.5 meter below normal ground level connected to galvanised wire 4.00mm earth lead by means of nuts, bolts, check nuts and washers including 15 mm bore galvanized iron pipe, light grade for protection of earth lead upto the length of 7.5 meter towards test terminal and 20 mm bore galvanized iron pipe, medium grade for watering, and providing of charcoal and common salt in alternate layers, including necessary earth work in any type of soil and including PCC pit in PCC 1:2:4 with provision of wire mesh and funnel, complete all as shown in electrical plate No 3 of SSR Part- I including testing on completion, complete all as specified and as directed. Notes :- (a) The earthing pit should be provided with proper earth pit and pit cover. Pit cover should be painted with synthetic enamel paint of approved colour and pit number to be marked on a GI plate as per colour code followed in Station. (b) If the desired earth resistance is not achieve during testing as per IS the complete earthing shall be carried out by the contractor at his own cost and no extra claim shall be admissible.

M/s. MD IRSHAD

M/S SINHA ENTERPRISE

M/S East India Traders

Shri Amarnath Sah

M/S NIKITA ENGINEERING CO

SHRI PRADEEP PARIK