PROVN OF 100KVA TRANSFORMER AND CONNECTED ITEMS FOR HQ 54RR UNDER AGE(I) CIF(U) REASI

Amount

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr in depth for laying of pipe lines, laying getting out in any type of soil complete all as specified and directed

Excavation in trenches n.exc 1.5 mtr wide and exc. 1.5m but n.exc 3 mtr in depth for laying of pipe lines, laying getting out in any type of soil complete all as specified and directed

Returning, filling in, including spreading, levelling watering and well ramming in layers n.exc 25 cms. thick in any type soil, complete all as specified.

Removing of excavated material to a distance n.exc 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point, complete all as specified.

M&L for sand cushioning in trenches spreading and consolidation 8cm thick before laying the cable & 15 cm of sand after laying the cable, complete all as specified.

Brick covering with width equal to length of brick as mechanical protection to cables with well burnt sub class ‘B’ (old size) bricks laid dry flat complete all as specified.

S&F expulsion fuse single pole, having 2 Nos of 11 KV port insulators, mounting on spindle, with Drop out fuse including mounting assembly, fixed on common steel base frame suitable for 11 KV, 50 Amps complete all as specified and directed.

Supply laying, jointing and testing cable XLPE insulated, PVC bedded, galvanized steel strip or wire armoured electric power cables (heavy duty) with aluminium conductor conforming to IS:7098 (Part 11),11 KV (E) grade cross sectional area 70 sq mm 3 core complete all as specified and directed.

Supply, laying, jointing and testing XLPE insulated PVC sheathed armoured under ground cable heavy duty with aluminium conductor LT 1100 V grade cross sectional area 50 Sqmm 3.5 core, complete all as specified and directed.

S & F of tubes light grade of 80 mm bore galvanised with all fitting for cable protection trenches/wall/on pole including necesarry clamps sets and nut & bolts complete all as specified .

S & F of tubes light grade of 40 mm bore galvanised with all fitting for cable protection trenches/wall/on pole including necesarry clamps sets and nut & bolts complete all as specified.

Supply, installation, testing and commissioning gang operated air break off load connecting switch HT 11 KV triple pole, each pole consists of ganvanised steel base including MS structure, vertical type with 9 post insulator non ferrus knife and spring loaded contacts, suitable to worked out from ground level having operating rod of GI (without joint) suitable size and length locking arrangement connections with PG clamps and sleeves etc required for current rating 200 Amps capacity, complete all as specified and directed

M & L for lightning arrestor non linear resistor type confirming to IS3070 Part 1 complete line discharge (class - 2 nominal discharge current 5 KA & high discharge 65KA) assembly suitable for 11 KV incl all clamps, nuts, bolts & washers & connecting complete all as specified.

M&L for Pin type precelain, vitreous brown or green insulators including one galvanised mild steel spindle two galvansed iron washer with one galvanised iron nuts 150 mm height 150 mm dia for 11000 Volt grade complete all as specified.

M&L for construction of transformer plinth with overall outer dimension 1.5 m x 1.5 m x 1.5 m with necessary excavation in ground at the bottom with 150 mm thick 1:2:4 cement concrete raft at the bottom and top and 225 mm thick wall constructed in brick masanory built in cement mortar 1:6 and remaining hallow portion shall be filled in by 1:5:10 cement concrete duly plastered 20 mm thick outsides including two coats of white wash on new plastered surface complete. including XPM jalli fabricated with angle iron, brick work etc all as specified and directed by Engineer in charge and as per Drg No. CE/TD/1033/90 , sheet no (1/1)

Supply and errection steel tublar swaged pole. 410-SP-55 of 11 meters long completet with cast iron base plate 400X 400X 5 mm thicks, finial taper bolts nuts and screws complete including painting with two coasts of aluminnimum paints over a coat of red oxide primer including painting up to 1.50m high from ground level in black & white strips & duly marking/ numbering, complette all as specified and directed.

M & L cross arms of M.S channel or angle section etc complete of different sizes brancings, supports,clamps and back plates febricated from structural steel sections incluiding nuts, bolts, washers, wellding, bending cold or hot drilling for bolts in any size or shape as indicated or directed and inclusive of one primer coat , on under coat and one finishing coat of paint complete all as specified.

Supply and fix cable jointing kit for 11 KV grade cable for out door termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium stranded conducter cable of size 50 to 95 sqmm complete all as specified.

M&L PCC 1:4:8 type D-2 using 40 mm graded crushed stone aggregate in foundation of electric poles and coping including necessary from work and exposed surfaces finished fair without using extra cement complete all as specified.

Supply, install, testing and commissioning step down transformer, copper wound, out door type, platform mounted HT 11 KV, 3 phase 433 volts, 4 wire, of capacity 100 KVA with off load tap changing facility on HT side to vary secondary voltage from +/- 7.5%in steps of 2.5 % co with all standard fittings such as dial type temperature gauge for reading maximum temperature ,conservator oil level indicator ,drain out valve silica gel breather explosion vent ,diaphram all as per IS 2026 including filling of transformer oilhaving dielectric strength not less than 40 KV with gap of 2.5 mm ,confirming to IS: 335-1993 and including necessary fixing of foundation bolts, nuts, washers etc.complete all as specified and directed.

Earthing complete with galvanized steel with plate electrode 60 cm x 60 cm x 6.3mm thick buried directly in ground (earth kit not less than 2.25 mtr below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level connected to galvanized wire 4 mm dia by means of bolts, nuts and washers of galvanized iron or steel all as shown in electrical plate No 5 connected to earth test point incl necessary earth work excavation PCC 1:3:6 type C1 using 20mm graded stone aggregate for earth chamber provn of RCC cover 40mm thick in 1:2:4 mix type B1 funnel with water pipe GI pipe 15mm dia medium grade as protection pipe GI earth lead all as specified.

Earthing complete with galvanized steel with plate electrode 60 cm x 60 cm x 6.3mm thick buried directly in ground (earth kit not less than 2.25 mtr below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level connected to galvanized steel strip 32 mm x 6 mm size by means of bolts, nuts and washers of galvanized iron or steel all as shown in electrical plate No 5 connected to earth test point incl necessary earth work excavation PCC 1:3:6 type C1 using 20mm graded stone aggregate for earth chamber provn of RCC cover 40mm thick in 1:2:4 mix type B1 funnel with water pipe GI pipe 15mm dia medium grade as protection pipe GI earth lead all as specified.

M&L PCC 1:3:6 type C-2 (using 40mm graded crushed stone aggregates) as in foundation filling and mass concrete in foundation of pole/stays etc complete all as specified

M&L PCC 1:2:4 type B-1 (using 20mm graded crushed stone aggregates) as in coping/above ground level around the pole etc complete all as specified.

S&F long range integrated meter three phase thread through 40-200A DLMS type integrated energy meter. Make HPL Cat Part No-TPPBIU2314000JB00 Or equivalent in Approved makes.

MAMTA ENTERPRISES

ROYAL ENGINEERS AND CONTRACTORS

Jiwan Singh