PROVN OF RMU, 11 KV AT OFFR MD ACCN AT TARAPORE, PROVN OF RING MAIN SYSTEM FOR CARIPPA AND ARJUN ENCLAVE AND SPL REPAIR / REPLACEMENT TO OVERHEAD LINE WITH UNDERGROUND CABLE AND CONNECTED ITEMS AT HISAR MIL STN UNDER GE HISAR

Amount

Excavation in trenches not exc 1.5m wide and not exc 1.5m in depth for laying of cable etc, and for foundation of poles, stays etc. not exc 10sqm on plan and getting out in soft / loose soil complete all as specified and directed.

Excavation in trenches not exc 1.5m wide and n.exc 1.5m in depth for laying of cable etc. and for foundation of poles, stays etc. not exc 10sqm on plan and getting out in hard / dense soil complete all as specified and directed.

M&L for returning filling in approved excavated soil including spreading levelling and well ramming in layers n.exc 25cm thick each complete all as specified and directed.

Removing surplus soil to a distance not exceeding 50 m & depositing at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

M&L for sand cushioning and covering to underground electric cable in trenches complete all as specified and directed. Note : Punned thickness shall be measured.

Supplying and laying unreinforced precast concrete cable cover class HV type 1 with size 300mm x 180mm x 40mm (ISI Marked) complete all as specified and directed.

Supply and laying, testing and commissioning of HT Underground XLPE insulated, screened PVC bedded galvanized steel strip armoured electric power cable (heavy duty) with aluminium conductor 11 KV grade (Earthed) of the following sizes cable comfirming to IS-7098 Pt-II cable laid in trenches / walls / ducts / poles complete all as specified and directed :-

3 Core 95 Sqmm

3 Core 120 Sqmm

Supply and jointing testing outdoor type cable end termination (heat shrink type) complying with jointing materials and accessories suitable for 11 KV under ground XLPE, HT Cable of size 95 Sqmm, 3 core complete all as specified and directed.

Supply and jointing testing outdoor type cable end termination (heat shrink type) complying with jointing materials and accessories suitable for 11 KV under ground XLPE, HT Cable of size 120 Sqmm, 3 core complete all as specified and directed.

Supply and fixing steel tube of light grade size 100mm dia galvanised with all fittings fixed to walls / floors / poles or under road etc complete all as specified and directed. Note :- (i) The GI pipe should be fixed with pole by MS clamps. (ii) The MS work shall be included in quoted rates.

S&F HT cable route / joint indicator made of Cast iron plate 150mm dia, 8mm thick embossed by lettering MES HT cable welded or bolted to angle iron 40 x 40 x 5mm size 600mm long painted with anti corrosive paint fixed in PCC block of size 30cm x 30cm x 30cm complete all as specified and directed.

Dismantling unserviceable concrete pole / struts of any size complete all as specified and directed.

Dismantling unserviceable cross arms, clamps etc and removing from site complete all as specified and directed.

Taking down unserviceable / old ACSR conductor any size from over head lines, poles by removing binding wire, service wire, cables and removal from site complete all as specified and directed.

Dismantling insulator any type / any size from LT / HT poles GI complete all as specified and directed.

Dismantling unserviceable stay assembly complete and removing from site complete all as specified and directed.

Dismantling unserviceable galvanized earth steel wire and existing hexagonal cradle guard HT / LT poles and removing binding wire and removal of the same from site complete all as specified and directed.

Supply, Installation, testing and commissioning RMU (Ring Main Unit), outdoor type, SF6 gas filled, 3 functions comprising 1 x 630 Amps load break switches (isolators) incoming and 2 x 630 Amps VCB (Vaccume circuit breaker) in outgoing rated voltage 12 KV rated short duration power frequency withstand voltage 30 Kv rated lightening impulse withstand voltage 28 Kv, rated frequency -50 Hz rated normal current 630 Amps rated short time withstand current 13.12 kA rated peak withstand current -33 kA rate duration of short circuit -3 sec rated operating sequence 0.3mm CO-3 min Co and suitable to be connected to F-RTU so as to be monitored and controlled manually complete all as specified and directed including the following provisions :- (i) Manually operated earthing switch with full marking. (ii) Shunt trip coil for external tripping. (iii) Self powered non-directional IDMT (inverse definite minimum time) over current and earth fault relays (Microprocessor based) one three element relay having two O/C element and one E/F element shall be provided for this purpose. All threse relays shall be of 3 seconds IDMT characteristics, the O/C elemen current setting variable. (iv) Cable testing facility without disconnection. (v) Emergency trip push button. (vi) Live cable indicators. (vii) Cable box termination of cable for CB. (viii) Necessary wiring and foundation as per manufacturer's instructions. Make : Schneider, ABB, C&S and L&T.

M&L for providing 100mm PCC platform on top of brick masonry of Size 6x3 mtrs (outer dimensions) and 1.2 mtr high from ground level for placing RMU, chainlink fencing around the platform fixed to angle iron post 1.8 mtr high using angle iron of size 40mm x 40mm x 6mm and 1.00m away from platform with entry gate and steps and applying a coat of black bituminious paint over a coat of red oxide primer on the steel surfaces complete all as specified and directed including provision as under :- (i) 100mm thick PCC (1:4:8) type D-2 (using 40mm graded stone aggregate) as in foundation of brick wall and fencing post including excavation in earthwork, return filling in and removal of surplus soil. (ii) Brick work with sub class 'B' brick in CM 1:6 including 15mm thick plastering in CM 1:4 over exposed surfaces. (iii) 100mm thick hard core using brick bats of grade n.exc 63mm. (iv) 100mm thick PCC (1:4:8) type D-2 (using 40mm graded stone aggregate) as in sub base. (v) 100mm thick PCC (1:2:4) type D-2 (using 40mm graded stone aggregate) as in flooring finished even and fair. (vi) Two coats of cement base paint over a coat of cement primer over plastered surfaces complete. (vii) Chain link MS galvanised fancing of mesh size 75mm x 75mm and dia of wire 3mm complete.

M&L for earthing complete with galvanized steel earth plate electrode 60cm x 60cm x 6mm thick burried directly in ground not less than 2.25 mtrs deep below normal ground level with top edge of the plate not less than 1.5 mtrs below normal ground level, surrounded from all sides with mixture of charcoal and common salt, connected to galvanized earth lead wire 4.00 mm dia by means of bolts, nuts, check nuts and washers of galvanized iron or steel protected by galvanised iron light grade 15 mm dia pipe and GI pipe 20mm light grade for water filling including 15x20mm reducer socket funnel wire mesh, RCC cover with concrete 1:2:4 using 8 mm# bar@100 mm c/c both ways, PCC chamber pit with PCC (1:3:6) type C-2 and excavation and earth work,disposal of suplus spoil to a dstance not exceeding 50mtrs all as specified and shown on electrical plate No. 3 of 2009 (Part-I) including taking out old existing earthing complete all as specified and directed. Note :- The unit rate includes for protection pipe and GI wire 4mm dia from top of earth plate up to 7.5 meter above ground level.

HORIZON CONSTRUCTION COMPANY

SAINI ELECTRIC STORE

Raman Electric Trading Co

VERMA BROTHERS

fauji electric works

S K CONTRACTOR

YASHU CONTRACTORS

Vijay Electricals