REPAIRS TO LT UNDERGROUND CABLE AND REPAIRS TO DG SETS AT MOTHALA UNDER GE(AF) NALIYA

Amount

Excavation in trenches, as in soft/loose soil not exceeding 1.5 m deep and not exceeding 1.5 m in wide for laying of cable,RCC Poles/stays and struts etc and getting out including trimming sides and forming bottom surface complete all as specified and as directed at site.

Returning, filling-in, including spreading, watering and well ramming in layers not exceeding 25 cm thick each, in soft /loose soil complete all as specified. Note:-The back fill shall be neatly rounded/levelled over the trench to a sufficient height to allow for settlement to the required level all as specified in clause 18.56.6(a) of SSR-2009

M & L for sand cushioning to underground cable including punning down of sand in layer complete all as specified and directed. Note :- Punned down thickness shall be measured for payment.

Supply and laying factory made unreinforced precast concrete cable cover, class LV type 1, flat size 250mm x 150mm x 40mm laid transverse to cable complete all as specified & directed.

Re-laying of Precast concrete cable cover suitable for LT cable for protection purpose retrieved from dismantling LT Cable complete all as specified & directed.

Taking out unserviceable LT cables up to 16 Sqmm, any core from excavated trenches, ducts, wall, pole etc including removing cable covers, sand, cable joints, pipes, clamps etc, taking out old serviceable cables, cable covers, etc for reuse and removing unserviceable cables, covers etc complete all as specified & directed.

Decription all as per Srl Item No. 6.00 here-in-before but LT cables up to 25 Sqmm, any core.

Decription all as per Srl Item No. 6.00 here-in-before but LT cables up to 50 Sqmm, any core.

Decription all as per Srl Item No. 6.00 here-in-before but LT cables up to 70 Sqmm, any core.

Decription all as per Srl Item No. 6.00 here-in-before but LT cables up to 95 Sqmm, any core.

Decription all as per Srl Item No. 6.00 here-in-before but LT cables 120-150 Sqmm, any core.

Decription all as per Srl Item No. 6.00 here-in-before but LT cables 300 sqmm, any core

Supply and laying in trenches or passing through pipe, fixed to wall/pole and duct etc LT underground electric cable of size 16 sqmm, 4.0 core including jointing and testing XLPE insulated armoured / unarmoured heavy duty underground cable with stranded aluminium conductor 1100 volt grade inclduing takingdwon unserviceable cable alongwith cable covers complete all as specified & directed.

Decription all as per Srl Item No. 13.00 here-in-before but LT cables 25 sqmm,3.5 core

Decription all as per Srl Item No. 13.00 here-in-before but LT cables 50 sqmm,3.5 core

Decription all as per Srl Item No. 13.00 here-in-before but LT cables 70 sqmm,3.5 core

Decription all as per Srl Item No. 13.00 here-in-before but LT cables 95 sqmm,3.5 core

Decription all as per Srl Item No. 13.00 here-in-before but LT cables 120 Sqmm, 3.5 core.

Decription all as per Srl Item No. 13.00 here-in-before but LT cables 300 sqmm,3.5 core

Laying only in trenches or passing through pipe, fixed to wall/pole and duct etc LT underground electric cable of size 16 sqmm, any core including jointing and testing XLPE insulated armoured / unarmoured heavy duty underground cable with stranded aluminium conductor 1100 volt grade inclduing takingdwon unserviceable cable alongwith cable covers complete all as specified & directed.

Decription all as per Srl Item No. 20.00 here-in-before but LT cables 25 sqmm,any core

Decription all as per Srl Item No. 20.00 here-in-before but LT cables 50 sqmm,any core

Decription all as per Srl Item No. 20.00 here-in-before but LT cables 70 sqmm,any core

Decription all as per Srl Item No. 20.00 here-in-before but LT cables 95 sqmm,any core

Decription all as per Srl Item No.20.00 here-in-before but LT cables 150 Sqmm, any core.

Decription all as per Srl Item No. 20.00 here-in-before but LT cables 300 sqmm, 3.5 core

Supply and laying galvanised steel tubing 50 mm dia, light grade, IS-1239 marked with all fittings IS marked and laid in trenches under roads in drains, fixed to poles/walls with required size flat iron clamp bolts, nuts and washers, pipes all as per specified and directed.

S & F in replacement 400 Amps, 36 kA, MCCB 4 pole, 415 Volts, with adjustable thermal and fixed magnetic setting, in existing electric panel with all necessary connections complete all as specified & directed.

Decription all as per Srl Item No.28.00 here-in-before but 250 Amps, 36 kA

Decription all as per Srl Item No.28.00 here-in-before but 200 Amps, 36 kA

Decription all as per Srl Item No.28.00 here-in-before but 125 Amps, 16 kA

Decription all as per Srl Item No.28.00 here-in-before but 100 Amps, 16 kA

Decription all as per Srl Item No.28.00 here-in-before but 63 Amps, 16 kA

M&L for servicing / Health Check of Air Circuit Breaker by disconnecting supply, opening complete nuts bolts, as Physical Operation check with Interlocks, Provide Lubrication require, replacing fuse cutout if required, Check Tightness of contacts and Complete, Relay and Control Circuit Test, etc. complete all as specified and directed.

Supply and fix in repair 12.5 kVAR power factor capacitor metalized poly propoline heavy duty for three phase 440 V,50 Hz system for permissible non linear load 15 % including connection from the busbar/MCCB to capacitor with PVC insulated copper conductor complete all as specified & directed. Make: Neptune Duccati, Model: NSL10 or Havells as approved by GE

Decription all as per Srl Item No. 35.00 here-in-before but 15 kVAR

Decription all as per Srl Item No. 35.00 here-in-before but 25 kVAR

Cutting of worn out aluminium cable terminal lugs from the LT cable, crimping of new aluminium cable core and fixing with transformer/LT Panel terminal studs including cutting/dressing of cable, excavation in any type of soil refilling the trench including sand cushioning and brick protection as directed and specified etc complete all as specified and directed.

M & L for 150-300 Sqmm 3.5 core cable jointing kit for 1.1 KV cable for straight through heat shrink type complete with jointing materials and accessories suitable for 3.5/4.0 core XLPE armoured aluminium conductor cable complete all as specified & directed.

Decription all as per Srl Item No. 39.00 here-in-before but 120 to 70 Sqmm 3.5 core

Decription all as per Srl Item No. 39.00 here-in-before but 50 to 25 Sqmm 3.5 core

Decription all as per Srl Item No. 39.00 here-in-before but 16 Sqmm 4 core

M & L for servicing of DG sets SITUATED AT SITE of capacity 40 kVA and 63 kVA including replacement of fuel filetrs, oil filters, air filters, air filter element, changing lubricating oil, cleaning of fuel lines, cheking leackage if any, repair the leackage and replacement of exhaust maini fold gasket, welding with connected items if required etc Complete all as specified and directed.

Disconnect the electric connection of DG Sets capacity 40 kVA and 63 kVA situated at site and discoupling the DG engine from alternator, Opening of the DG set alternator and taking out worn out parts for repair/replacement work. installation after repair/replacement work reassembling of DG set including testing complete. Note:- Worn out parts which to be replaced shall be measured separately as under.

Supply and fix Battery rectifier unit / Diode plate complete as per manufacture's instructions and as directed.

M&L painting to the entire body of DG set including canopy enclosure by scraping out (and flames if necessary the old paint denting spray painting to the entire body of DG set with minimum two coats of synthetic enamel paint to achieve bright finish of Military green colour over a coat of primer and writing MES/SM No of DG Set all as directed to the capacity of DG Set 40 to 63 KVA complete all as specified & directed.

S & F battery charger Alternator Assembly including all fixing clamps/internal wiring etc complete all as specified & directed.

S & F AVR of capacity 40 kVA to 63 kVA complete as per existing model complete all as specified & directed.

S & F stop Solenoid switch heavy duty 5 kg/cm2, 12 Volt DC complete all as specified & directed.

Supply and fix in repair copper wire terminal of 75 cm minimum length with copper lead aong with brass teriminals for the connection of DG set to Battery as suitable complete all as specified & directed.

Supply & Fix in replacement of lead Acid battereies for DG set of capacity 150 AH 12 Volt of Make: Exide/AMARON/ TATA or complete all as specified & directed.

M&L for Plain cement concrete 1:3:6 type C-1 using 20mm grade aggregrate as in pedestal of poles/ struts copping etc, including and use and waste of necessary form work and finishing exposed face of concrete even and smooth without using extra cement complete all as specified and directed.

Supply and fixing Copper strip 20 x 3 mm fixed with saddles and screws including insulators etc for roof conductor and down conductor above ground, complete all as specified & directed.

M & L for Earthing complete with Copper earth plate electrode 600x600x3.15 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal ground level) with top edge of the plate not less than 1.5 m below normal ground level connected to copper earth strip of 20 x 3 mm (up to 7.5m in length from earth plate) by means of bolts and nuts checknuts and washers of galvanized iron or steel all as specified and shwon in electrical plate no 3 of SSR part 1 including Charcoal, Rock salt, necessary excavation and earth work in any type of soil PCC 1:3:6 type C1 chamber with RCC 1:2:4 type B1 40 mm thick cover with MS bar 8mm dia 150mm c/c reingorcement, watering funnel 32 mm dia light grade for protection of earth electrode 20 mm dia for watering all as speicified and directed and tested on completion. Note : - The unit rate quoted shall deemed to have included for GI protection pipe, Copper earth strip up to 7.5 mtr, GI water pipe, wire mesh , funnel , excavation, RCC pit cover complete all as specified.

S & F of Battery Charger of 10 Amps for 12 Volt Battery complete all as specified & directed. Make-Koel Green or equivalent

Servicing and caliberation of FIP (Fuel injection pump) & nozzles including replacement of minor parts like nuts,bolts,washers etc of capacity DG Set 40 to 63 KVA complete all as specified & directed.

M & L for taking out Radiator of DG set 40 KVA to 63 KVA for repair,welding,brazing,leak testing & refixing to DG set to its original position and testing complete all as specified & directed.

Supply & Fix AMF Relay suitable for 40 KVA DG Set complete all as specified & directed. Note : Make as existing or suitable for Sudhir make AMF Panel

Supply & Fix 3 pole power Contractor ML-4,70 A,415 V complete all as specified & directed.

Supply & Fix 3 pole power Contractor ML-6,110/125 A,415 V complete all as specified & directed.

S & F Radiator up to 63 KVA DG Set complete all as specified & directed.

Removing excavated soil to a distance n.exc. 50 mtr and depositing where directed at a level n.exc. 1.5m above the starting points.

THOMAS M. MATTACKAL

Krishna Engineering