Repair and maint of external electric and water supply work with allied works at Laitumkhrah Grn

SCHEDULE ‘A’ PART-I (SCHEDULE OF ITEMS)

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/coke and salt as required.

Laying of one number PVC insulated and PVC sheathed/XLPE power cable of 1.1KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required. Upto 35 S qmm

Above 35 Sqmm and upto 95 Sqmm

Above 95 Sqmm and upto 185 Sqmm

Supply only of LT UG Cable PVC Shethed XLPE Cable 25 Sqmm 4 Core

Supplyonly of LT UG Cable PVC Shethed XLPE Cable 50 Sqmm 3.5 Core

Supply only of LT UG Cable PVC Shethed XLPE Cable 70 Sqmm 3.5 Core

Supply only of LT UG Cable PVC Shethed XLPE Cable 95 Sqmm 3.5 Core

Supply only of LT UG Cable PVC Shethed XLPE Cable 120 Sqmm 3.5 Core

Supply and replacement of Alluminium Thimble of size 10/16/35/50/70/95 Sqmm complete all as spd and directed.

Supply and replacement of Alluminium Thimble of size 120/150/185/240/300/400 Sq mm complete all as spd and directed.

M&L for Decoupling pump from motor, taking out impellor, bush, bearing shaft, stuffing box, reassembling the same after replacing the defective parts & carrying out the necessary repair, remetalling, turning, polishing the pump shaft, replacement of steel studs and unserviceable nuts & bolt and testing complete all as directed for the following capacity of pump sets (Note replacing of ball bearing, impellor, stuffing box, etc shall be measured and paid for separately under respective item of schedule) (a) Above 10 HP and upto 20 HP

(b) Above 5 HP and upto 10 HP

Material and labour for replacement of bronze impellor of existing size for the following capacity of centrifugal pump sets (a) Above 10 HP and upto 20 HP

(b) Above 5 HP and upto 10 HP

Replacement of ball bearing of existing size suitable for the capacity of centrifugal pump sets :- (a) Above 10 HP and upto 20 HP

(b) Above 5 HP and upto 10 HP

Material and labour for replacement of stainless steel shaft of pump set of following capacity. (a) Above 10 HP and upto 20 HP

(b) Above 5 HP and upto 10 HP

Taking out old unserviceable stuffing box of pump and supply and fixing of stuffing box made of cast iron , along with Tee bolt, graphite gland packing etc complete all as directed for the following capacity of pumps :- (a) Above 10 HP and upto 20 HP

(b) Above 5 HP and upto 10 HP

M&L for Decoupling pump & motor, opening the body of motor, taking out burnt/defective winding wire carefully without damaging the stator, cleaning the slot, rewinding the stator with super enameled copper winding wire of existing gauge along with insulating material, greasing varnishing the bearing including testing complete all as specified and as directed for the following capacity of motor :- (a) Above 10 HP and upto 20 HP

(b) Above 5 HP and upto 10 HP

Material and labour for replacement of unserviceable pump/motor coupling of any size or shape with shaft bore of capacity 7.5 to 15 HP centrifugal pump set

Material and labour for taking out submersible pump set from bore well with the help of chain pulley and tripod , rewinding of burnt out motor with super quality copper winding wire of required gauge insulation with insulating material, drying, varnishing etc, replacement of bushes and re-assembling with pump, lowering in the same bore well and testing complete all as specified and directed for submersible pump set 5 HP/10 HP complete.

Supply and lay 3 layer ( inner antimicrobial, outer UV stabilized) ISI marked,IS-15801, PP-R pipes SDR 7.4 (PN-16) and PP-R plain fittings in trenches/walls /cellings or laying in floors complete of following sizes including fittings etc. (a) 50 mm nominal outer dia Pipes

(b) 40 mm nominal outer dia Pipes

(c) 25 mm nominal outer dia Pipes

Proviving and fixing gun metal gate valve with CI wheel of appoved quality. (a) 25 mm nominal bore

(b) 40 mm nominal bore

(c) 50 mm nominal bore

(d) 65 mm nominal bore

(e) 80 mm nominal bore

Supply and fix CI Sluice valve flanged PN 1.0 rising spindle of approved quality for iron pipes and fixed of size 80 mm dia complete all as specified and directed

Supply and fix CI Sluice valve flanged PN 1.0 rising spindle of approved quality for iron pipes and fixed of size100 mm dia complete all as specified and directed

SCHEDULE ‘A’ PART-II (SCHEDULE OF CREDIT)

Old Unserviceable LT UG Cable any size (Rate should be quoted Rs 25.00 per RM or more)

Old unserviceable aluminium lugs any size (Rate should be quoted Rs 2.00 each or more)

Old unserviceable gate valves any size (Rate should be quoted Rs 15.00 each or more)

Old unserviceable sluice valve any size (Rate should be quoted Rs 35.00 each or more)