UPGRADATION OF EXISTING EXTERNAL E/M INFRASTRUCTURE ALONGWITH ASSOCIATED WORKS SERVICES AT MARRIED ACCOMMODATION AT AF STATION BIHTA

Amount

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr deep in loose / soft soil and getting out for under ground cable / erection of poles, stays etc complete all as specified and as directed.

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

Removing of excavated material n, exc 50 mtr away and depositing where directed at a level n, exc 1.5 mtr above the starting point complete all as specified.

M&L for laying of bricks subclass ‘B’ old size laid flat perpendicular to the direction of cable for protection of cable complete all as specified.

Supply & laying sand cushioning for cable protection in trenches 8 cm thick before laying cable and 15 cm thick over the cable as loose sand thickness complete all as specified and ditected. Note: Sand cushioning thickness (8 cm+15 cm=23 cm) are punned thickness and only Punned thickness will be measured and paid.

M & L for cutting of existing road/pathway/sub-road for crossing of cable for laying as per site requirement including necessary excavation and earth work including repairing the same as per existing PCC/RCC/bitumin carpet complete all as specified and directed by EIC.

M & L GI Tubes, 'light grade' galvanised, of bore 80 mm with all fitting and fixed complete to trenches with packing from both side with cable complete all as specified and directed including taking out of old unserviceable GI pipe.

Supply, Laying , Testing & commissioning of cable in pipes/ ducts/ poles/ trenches/ under floor/ under road XLPE insulated cable screened PVC bedded galvanised steel strip armoured,electric power cable heavy duty with aluminium conductor 11000 Volt grade (Earthed) IS: 7098 (Part II) 6.35 KV /11 KV (E) cross section area 95 Sq.mm 3 core complete all as specified and directed including taking out of old unserviceable cable. Note :-excavation, earth work, brick protection, sand cushioning and GI pipe etc shall be measured & paid for separately

M & L for outdoor type cable end termination joint heat shrinkable type with jointing material complete suitable for HT U/G cable 95 sqmm 3 core XLPE 11 KV (Earth grade) armoured aluminium conductor in transformer bushing complete all as specified and directed by Engineer in Charge.

Supply, Laying, connecting and testing in replacement XLPE cable underground PVC insulated and over all sheathed with aluminium conductor heavy duty 1100 volts grade laid in trenches, floors, ducts passing through pipe for road crossing etc complete all as directed and all as specified and directed including taking out of old unserviceable cable of following sizes. Note :-excavation, earth work, brick protection, sand cushioning and GI pipe etc shall be measured & paid for separately

Cross sectional area 120 Sqmm 3 ½ core

Cross sectional area 150 Sqmm 3 ½ core

Cross sectional area 185 Sqmm 3 ½ core

Cross sectional area 240 Sqmm 3 ½ core

M & L for PCC 1:4:8 type D-2 using 40mm graded aggregate, mechanically crushed stone for mass filling in pole, pit and foundation etc compete all as specified and directed.

M & L for PCC 1:3:6 type C-2 using 20mm graded aggregate mechanically crushed stone for mass filling in stay pits and pole foundation complete all as specified and directed

M&L for boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.4 mpa working pressure complete all as specified and directed.

Supplying, installation, testing & commissioning out door type cubical panel board outer shell made out of 3.15 mm thick MS sheet and inner shell made out of 2 mm thick MS sheet and MS angle section 50x50x6 mm mounted on PCC 1:2:4 type B-1 platform 60 cm above and 45 cm below the ground level, frame factory fabricated with front openable double door system and cable alloy (Each door hinged with body at 3 places with body and hinges should be welded with body and door) lockable/open able by Keys having chromium plated 19 mm dia fancy lock, “U” type gasket shall be used to make the outer shell completely vermin proof suitable for 3 phase 4 wire 415 Volt, 50 Hz, tested at factory approved from CPRI for 35 MVA rupturing capacity at 415 Volts factory fabricated having modern fabrication and testing process complete with fixing following accessories as below.

a) TPN aluminium bus bar 400 Amps insulated with colour coded heat shrinkable sleeve and shall be mounted on suitable size “F” class insulators not less than 1.0 mtr long b) Incoming MCCB 200 Amps 4 pole 415 Volts AC,Icu=100%Ics, rupturing capacity 25 KA.Confirming to IS/IEC 60947-2 -01 Nos c) Outgoing MCCB 100 Amps 4 pole 415 Volts AC,Icu=100%Ics, having microprocessor based release for over current,short circuit & earth fault with display and fault discrimination rupturing capacity 25 KA.Confirming to IS/IEC 60947-2 -02 Nos c) Outgoing MCCB 63 Amps 4 pole 415 Volts AC,Icu=100%Ics, having microprocessor based release for over current,short circuit & earth fault with display and fault discrimination rupturing capacity 25 KA.Confirming to IS/IEC 60947-2 -01 Nos (e) MCB TPN 32 Amps 16 KA - 02 Nos (f) Indicator lamps LED type RYB with holder -01 Set of three (g) CT Coils of suitable ratio -01 Set.

Note (i) The quoted rate shall includes minor items such as lugs, nuts & bolts, washers, top insulators, sleeves, etc. (ii) All internal wiring shall be done with suitable size of PVC insulated solid copper conductor FRLS cable as per- IS 694 (iii) Panel drawing shall be got approved before placing of order from Engr-in-Charge/GE. (iV) PCC and earth work paid seprately.

Supply, install, testing and commissioning of out door type cubical feeder pillar Box TPN of size 600x600x300mm Aluminium bus bar 200 Amps, outer shell made out of 3.15 mm thick MS sheet inner shell made out of 2.00mm thicK MS sheet frame factory fabricated with front and back open able double door system complete suitable for 3 phase 4 wire 415 Volt, 50 Hz with IP 54 complete fixed in frame of MS angle section 40x40x6 mm alround embedded on plateform PCC 1:2:4 type B-1, height 60cm above the ground level and depth 30 cm below the ground level. The bus bar shall be provide with sufficient holes for distribution of LT supply to 8 houses single phase, and making necessary distributions with the help of thimbles etc complete all as specified and as directed. Note : MS angle frame work with PCC work shall be included in qouted rate.

Taking out old unserviceable earthing and M & L for new Earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised iron strip 25×4mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test plate No. 3 connected to earthing test point all as specified or indicated including testing on completion with result less than 5 Ohm with 40mm light grade GI pipe for lead protection and 20 mm medium grade watering pipe and wire mesh funnel and earthing pit of 450mmX450mmX150mm and cover complete all as specifeid and directed.

NOTE :- (i) The rates quoted shall also deemed to include the cost of Earth test point and earth wire and protection pipe upto 7.5 meter beyond the earth plates electrode and the earth resistance of the whole system shall be as near as possible to 0 but shall not in any case exced one ohm. (ii) Any joints in earth lead from earth electrode to test point shall not be allowed / permitted. (iii) The rates quoted shall also deemed to include earth work in soft soil ,returning filling in and removal of surplus soil to a distance not exceeding 50mtr .

S & F Cable jointing kit suitable for 1.1 KV grade cable outdoor end termination, heat shrinkable type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 70-150 sq mm complete all as specified and directed.

S & F Cable jointing kit suitable for 1.1 KV grade cable outdoor end termination, heat shrinkable type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 185 to 300 sq mm complete all as specified and directed.

Supply, installation, testing and commissioning of transformer suitable for 250 KVA step down floor mounted outdoor type HT 11/.433, 3 phase 433 Volts, LT 433 volts, 50 Hz AC, 4 wire delta/star connected vector group Dyn-11 IS: 1180 Part-I -2014 ISI marked BEE LEVEL-2, double wound core type copper wound ONAN on load tap changing on HT side 5% in steps of minimum 1% continuous rating , oil immersed, air naturally cooled with external cooling tubes, transformer delta connection on HV side and star connected on LV side in accordance with vector symbol Dyn-11 (vector group 4) with neutral brought out on LV side with for earthing and having tapping on HV side for constant out put so as to alter/vary secondary voltage by (Tapping range + 5 % to - 10% in equal step of 2.5 % ) changed by means of manualy operated " off load" taps changing gear. The voltage regulation shall be as per IS including first fill of transformer oil as per IS-335 and including all fittings/accessories as specified in SSR Part-I and IS-2026.

The limit of temprature rise after continuous full load run as specified in IS-2026 shall be suitably adjusted to suite the maximum ambient temprature of 55 degree centigrade as prevalent at Bamrauli.The transformer shall be complete with the following fittings and accessories :- (a) Oil conservator tank with fillings holes and cap filter type drain valve and oil level gauge. (b) Silicagel breather with connecting pipe, first fill of dehydrating agent. (c) Explosion relief mounted on tank with double diaphram and equalizer pipe connected to conservator air tank (pressure release valve) (d) Air release valve plug (e) One cable box on LV side (Secondary) Consisting of 04 Nos porcelain bushing with nuts, washers & bushing rods with 01 cable gland suitable for reception of taking out suitable size cable, including gland joint.

(f) Explosive vent (g) 01 No 100 mm dial type thermometer vapour pressure type having range 0-120 degree centigrade with max temp indicator and resetting device incl max reading pointer washer etc. (h) Thermometer pocket on tank cover (j) 04 Nos plain solid CI detachable rollers (k) Two nos Earthing terminals marking plate. (l) Rating plate and terminal marking plate. (m) Extra bushing for neutral outside the cable box brought out on LV side. (n) First filling of oil conforming to IS and tested upto 60 KV dielectric strenght. (o) Lifting lugs (p) Oil drain valve with plug (q) One cable box on HV side (Primary) consisting of 01 cable gland suitable for reception of taking in HT cable including gland joints. (r ) Hand hole of sufficient size to assess interior of tank (s) Dehydrating breather with first filling of Dehydrating agent

(t) Two earthing of terminal on tank body to facilitate fixing of 32x6mm GI strip. (u) Rating plate with terminal marking plate (v) Inspection cover. (w) Extra bushing for neutral out side the LV side (x) PCC plateform shall be provided as per drg No CEAF/TD/EM/03, complete all as specified including XPM welded mesh fencing and doors including 75 x 40 mm channel. Note:- (i) Anything missed above but is required for efficient functioning of transformer is deemed to be included in the quoted rate (ii) Full load testing shall be done at site. The artificial load shall be arranged by contractor. This is included in above quoted rate.

Jai Maa Construction (BID ID -3090224)