CA NO. CWE/HILLS/PGH/10 OF 2024-2025 ADDN / ALTN OF HT CABLE FOR HT RING MAIN SYSTEM OF EXTERNAL ELECTRI SUPPLY AT MIL STN BANBASA UNDER GE PITHORAGARH

Amount

Excavation in trenches n.exc 1.5 m wide and n.exc 1.5m in depth of trenches for laying of pipe lines / electric cables and getting out including forming bottom surfaces to required level complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers n.exc 25 cm complete all as specified and directed.

Removing excavated material (soil) at a distance n.exc 50m and depositing where directed at a level n.exc 1.5 mtr above the starting point complete all as specified and directed.

M&L for dry sand filling as in cushioning to underground cable including punning down of sand in layers complete all as specified and directed.

Supplying and laying reinforced precast concrete cable cover, class HV, Type 1, flat, size 300mm x 180mm x 40mm complete all as specified and directed.

S&F GI Pipe 80 mm dia light grade for protection of cable complete all as specified and directed.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 11000 volts grade,cross sectional area 95 sqmm, 3 core complete all as specified and directed.

S&F Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed.

S&F Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed.

S&F Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed.

Supply, install, testing, and commissioning of 3 way- 11 kV SF6 Insulated outdoor one side extensible cubical type Ring Main Unit Comprising of 1 no Incoming LBS and 2 Nos Outgoing SF6 Insulated VCB’s Type S+VV , SF6 insulated, 11 kV vacuum circuit breaker ring main unit contained within a metal clad enclosure thickness of sheet min 2 mm thick, duly power coated (7 tank treatment) having degree of protection to IP-54, suitable for outdoor use, free standing and comprising of :- (i) Outgoing circuit breaker 2 Nos.– 630 Amp triple pole, Motor operated vacuum circuit breaker encapsulated in SF6 Stainless Steel Tank with independent spring mechanism and fully rated earth switch with provision for earth of the cable. (ii) Outgoing circuit breaker 2 Nos. - Air insulated cable boxes with split gland plate suitable for a bottom entry 3 core cable up to 185 sq. mm (iii) Incomer load break switch 1 No. - 630 Amp triple pole, single break, 3 position (ON, OFF & EARTH) ring main Isolator with independent manually charged spring mechanism and fully rated earth switch. (iv) Incomer load break switch 1 No. - Air insulated cable boxes with split gland plate suitable for a bottom entry 3 core cable up to 185 sq. mm

(v) The Ring Main Unit/secondary GIS will be complete with: (a) Mimic diagram on front panel complete with status indicators-01 No, (b) Set of positive standard mechanical interlocks- 01 No (c) Set of current transformers for protective relays CT ratio 100-200/1 A class 5P10 Burden epoxy resins cast 2.5VA for VCB- 02 Set (d) Self Powered microprocessor base Numerical Relay 3 O/C and 1 E/F(50,50N,51 & 51N ) with, communicable with rechargeable battery (for VCB unit) Make: Asida ADR2415/ABB-REH 603-02 Nos (e) Set of Neon indicator lamps for Cable Live indication - 10 Nos (f) SF6 Gas tank with 3 mm wall thickness all side of S.S Tank wall SS 304 -01 No (g) External stud for earthing connections- 01 No (h) SF6 gas pressure indicator-01 No (j) Local ‘PULL TO TRIP’ mechanism- 02 Nos (k) Operating handle- 01 No (l) Top LV chamber with provisioning battery and battery charger-01 No (m) Provision of FPI for O/C & SC & EF indication with LB switch - 01 No (n) Provision internally Auxilary PT 11Kv/V3/415 V/V3 Volts -01 No Make : ABB , Simens & Schiender Paint Finish : All steel work will be finish painted in Light Grey OR Dark grey shade as per IS. Note: Contractor will quote their rates keeping in view of notes mentioned in PS.

M & L for Boring of holes under road, pavement, hard standing by trenchless technology using pipeline laying Horizontal Directional Drilling Technique, not less than 3.5 mtr below the surface for insertion of HDPE pipe of 150mm dia complete by Horizontal Directional MACHINE complete all as specified and as directed. Note:- (a) All Equipments & Machinery required to carry out the work will be provided by the contractor (If due to any obstruction during boring, reboring has to be done the same will be done by the contractor at his own cost the rates deem to cover the same) complete all as specified and directed. (b) rates are inclusive of HDPE pipe of 150mm dia suitable for 0.4 MPA working pressure.

M&L for earthing for sub station equipments complete with galvanized steel earth plate of size 600 x 600 x 6 mm thick burried directly into ground (earth pit) not less than 2.25m deep below ground level, top edge of earth plate not less than 1.5m below ground level, connected to galvanized mild steel strip 32x6mm (7.5m long) by means of rivets at one end and the other end connected to equipments body and neutral panel board, including GI pipe light grade of 40mm nominal bore for protection of Earth strip and watering pipe medium grade of 20mm nominal bore fitted with 0.63 mm thick GI sheet funnel with wire mesh etc complete including charcoal and salt, necessary mild steel clamps, nuts, bolts etc, earth work and excavation in any type of soil, making good to floor with PCC (1:2:4) type B-1, earth pit and precast RCC cover 65mm thick duly reinforced with 6mm dia MS round bars @ 100mm C/C both ways with lifting handle of 10mm dia MS bar, earth test point & making good to floor, complete all as shown in electrical plate No.3 of MES SSR Part -1 complete all as specified and directed.

Dismantling of insulators any type and any size complete all as specified and directed.

Dismantaling of ACSR Conductor complete all as specified and directed.

SATISH AND CO (BID ID -3125146)

Ashirwad Contractor and Supplier (BID ID -3126506)

M/s VINOD KUMAR SHARMA (BID ID -3124258)

RAMSONS DEVELOPERS (BID ID -3122701)

Amit Engineering (BID ID -3126215)

GUPTA ENGINEERING WORKS (BID ID -3125655)