SPECIAL REPAIR / IMPROVEMENT TO HT ELECTRIC SERVICES AT SCHOOL OF ARTY DEVLALI UNDER GE DEOLALI

Amount

Supply, laying & testing cable 3 core 120 sq mm 11000 volts Earthed grade XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor.

Supply and fix cable jointing kit for 11 KV grade cable for outdoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 sqmm

Supply and fix cable jointing kit for 11 KV grade cable for indoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 sqmm

Supply & lay in trenches double walled corugated HDPE pipe 110 mm dia for protection of under ground cables( Note: pipe couplers with seal, bends, end covers etc are deemed to be included in rate quoted)

Excavation in trenches n. exc. 1.5 mtr in wide and n. exc. 1.5 mtr in depth for laying of underground cable and getting out in soft/loose soil complete all as specified and directed.

Returning, filling in excavated soil in trenches including spreading, leveling, watering and well ramming in layers n. exc. 25 cm thick complete all as specified and directed

Removing of excavted soil to a distance n. exc. 50 mtr and deposited where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed.

Supply and fix 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 120 sqmm 3 core.

"M&L earthing GI Strip complete with galvanized steel plate electrode 600 mm x 600 mm x 6.0 mm thick, burried directly in ground vertically in pit of depth not less than 2.25 metre below normal ground level with top edge of the earth plate at a depth not less than 1.5 metre below normal ground level surrounded from all sides with mixture of charcoal and common salt in alternate layers and electrode connected to galvanized iron strip 32 x 6 mm size by means of GI bolts, nuts, check nuts and washers, earth strip protected by galvanized steel pipe 40 mm bore (light grade) connected to main switch board or any other electrical equipment all as shown in electrical plate No. 3 of SSR-2009 Part I and including necessary excavation and earth work in any type of strata, 20 mm bore medium grade GI pipe for watering, funnel with wire mesh, PCC (1:3:6), type C-1 chamber, RCC (1:2:4), type B-1, reinforced with 6 mm dia MS round bars @ 15 cm c/c both way for cover and MS frame etc., complete all as specified.

Supply, install, testing and commissioning SF6 gas insulated circuit breaker HT 11 KV, 3 Phase, 50 cycles totally enclosed metal clad of 3mm thickness, high tensile steel with zinc coating, outdoor type floor mounting having two incoming and two outgoing connections (4 way RMU) with internal copper bus bars rating 630A, consisting of 02 No isolator as incommer and 02 No VCBs self powerrelay as outgoing. All connections of RMU should be enclosed in one tank to avoid multiple inter connections sealed for life robotically welded non magnetic and non ferrite 304 grade stainless steel tank of 3mm thick having IP67 of protection filled with SF6 gas with leakage rate less than 0.1% per year tested as per IEC 62271-200. The earthing busbar shall be provided throughout the length of switchgear with all accessories such as terminal boots, VPIS and mechanical indication for VCBs ON/OFF.

Item No 10 contd/... The complete enclosure of switchgear shall be of IP-54. The outer of enclosure shall cover entire front part of switchgear incl cable compartment , overload relay, digital ammeter, voltmeter and rating upto 400 Amps complete incl PCC platform for mounting the switchgear complete with following accessories(a) Vacuum circuit breaker module having three position switch, off load (connected in series with VCB).(b) Insulation medium – SF6 gas (c) Arc quenching – Vacuum type (d) Short time current – 20KA/3 Sec (e) Making cap – 50 KA (f) Cable box should be front side, air insulated suitable upto 3 core 185 Sqmm, 11 KV cable (g) Temparatur as per IEC 62271-200 (h) CT to be ring type LVCB (j) PT to be non disconnecting stud type (k) Lifting lugs (l) Gas pressure indicator (m) VCBs rating 400/630A

Supply, install, testing and commissioning SF6 gas insulated circuit breaker HT 11 KV, 3 Phase, 50 cycles totally enclosed metal clad of 3mm thickness, high tensile steel with zinc coating, outdoor type floor mounting having one incoming and two outgoing connections (3 way RMU) with internal copper bus bars rating 630A, consisting of 01 No isolator as incommer and 02 No VCBs self powerrelay as outgoing. All connections of RMU should be enclosed in one tank to avoid multiple inter connections sealed for life robotically welded non magnetic and non ferrite 304 grade stainless steel tank of 3mm thick having IP67 of protection filled with SF6 gas with leakage rate less than 0.1% per year tested as per IEC 62271-200. The earthing busbar shall be provided throughout the length of switchgear with all accessories such as terminal boots, VPIS and mechanical indication for VCBs ON/OFF.

Item No 11 contd/... The complete enclosure of switchgear shall be of IP-54. The outer of enclosure shall cover entire front part of switchgear incl cable compartment , overload relay, digital ammeter, voltmeter and rating upto 400 Amps complete incl PCC platform for mounting the switchgear complete with following accessories(a) Vacuum circuit breaker module having three position switch, off load (connected in series with VCB).(b) Insulation medium – SF6 gas (c) Arc quenching – Vacuum type (d) Short time current – 20KA/3 Sec (e) Making cap – 50 KA (f) Cable box should be front side, air insulated suitable upto 3 core 185 Sqmm, 11 KV cable (g) Temparatur as per IEC 62271-200 (h) CT to be ring type LVCB (j) PT to be non disconnecting stud type (k) Lifting lugs (l) Gas pressure indicator (m) VCBs rating 400/630A

M&L for making underground boring (Manually/Mech) through existing bituminous road/PCC/Floor along cross section of the road at a depth approx 1.0 mtr for laying of GI tubing of dia 100 mm for encasing of cable all as specified and directed at site.

S&F RCC route marker/indicator of size 0.3mtrx0.15mtrx1.5mtr complete including embossing " HT CABLE" painting with one coat of primer and two coats of oil paint as per colour coding specified and directed by Engr-in-Charge for exposed surfaces, excavation,PCC1:2:4 etc included in this item rate complete all as specified and directed by Engr-in- Charge.

Taking down old unserviceable HT cable 120 Sqmm 3.0 core

Dismantling of old unserviceable 4 pole structure along with GOD, Dos, LA and anti climbing Device by breaking the PCC plinth of four pole structure and keeping in safe custody for taking as schedule of credit.

sapana enterprises (BID ID -3277900)

SBS Enterprises (BID ID -3277986)

AGRAWAL ASSOCIATES (BID ID -3277051)

Maruti Abhiyantriki (BID ID -3278593)

UNITED ENGINEERING CORPORATION (BID ID -3281748)

M/S Anil Enterprises (BID ID -3282050)