REPAIR REPLACEMENT OF LT DISTRIBUTION SYSTEM AND ALLIED WORKS AT AHRR UNDER GE EM RR HOSPITAL DELHI CANTT 10

Amount

Disconnecting LT supply and taking out LT ACB of any make EDO type and rating 630 Amps to 2500 Amp and servicing by cleaning the fix and moving parts, removing dust particles by using high speed blower applying grease / jelly to moving mechanism and moving parts, tightening nut bolts of all the components of ACB and replacement of all unserviceable spares as required, control wiring if required if suitable copper wire, testing commissioning and putting on the supply on load and testing with VI injecting instrument for full load test/calibration for work efficiently in the tripping circuit complete all as specified and directed. Note:- (i) Servicing/repairs shall be carried out by authorised service engineer only. (ii) Spares as required for replacement shall be of the same company as of existing make or as recommended by the Engr-in-charge. (iii) Cost of spares shall be measured and paid separately under relevant items as "Supply only".

Supply only in replacement CT's of suitable ratio for LT ACB of any make EDO type and rating 630 Amps to 2500 Amps as per existing make and model complete all as specified and as directed.

Supply only in replacement Motor gear box assembly suitable for LT ACB of any make EDO type and rating 630 Amps to 2500 Amps as per existing make and model complete all as specified and as directed.

Supply only in replacement Shunt trip closing coil suitable for LT ACB of any make EDO type and rating 630 Amps to 2500 Amps as per existing make and model complete all as specified and as directed.

Supply only in replacement manual charging handle suitable for LT ACB of any make EDO type and rating 630 Amps to 2500 Amps as per existing make and model complete all as specified and as directed.

Supply only in replacement UVR under voltage release coil assembly suitable for LT ACB of any make EDO type and rating 630 Amps to 2500 Amps as per existing make and model complete all as specified and as directed.

Supply only in replacement earth fault relay suitable for LT ACB of any make EDO type and rating 630 Amps to 2500 Amps as per existing make and model complete all as specified and as directed.

Supply only in replacement Racking inter lock complete suitable for LT ACB of any make EDO type and rating 630 Amps to 2500 Amps as per existing make and model complete all as specified and as directed.

Supply only in replacement auxiliary contact block suitable for LT ACB of any make EDO type and rating 630 Amps to 2500 Amps as per existing make and model complete all as specified and as directed.

S&F in replacement of LED type indicator lamp of Red/Yellow/Blue/Green colour for phase/system ON/OFF indication with and including taking down of unserviceable indicator and making all electric connection in existing panel, complete all as specified and directed. Make: C&S / L&T / Havells.

Attending breakdown /inspection of LT ACB of any make EDO type and rating 630 Amps to 2500 Amps as per existing make and model complete all as specified and as directed. by authorised service engineer to check and replace any spares related breakdown complete all as specified and as directed. (i) Maintenance/repair shall be carried out by authorised service engineer. (ii) All Measuring equipments and T&P required shall be arranged by the contractor. (iii) any other activity/ minor items not listed/covered here above and required during /completing the work for smooth functiong of system will have to be arranged by Contractor himself and for this purpose no extra cost will be paid. (iv) Major Spare parts shall be paid separately under relative item as supply only. However fixing charges shall deemed to be included in this item. (v) A sum of Rs. 1000/- will be recovered from the contractor for non rectification of breakdown/fault or replacement of any unserviceable spares after 12 hours from lodging of complaint telephonically or verbaly.

Supply and fixing in replacement of MCCB, four pole, 415 volts, capacity 100 Amps, 16 KA, adjustable type thermal- magnetic release, including spreader terminals, phase barriers, thimbles of suitable size etc and making electric connections and taking down old unserviceable MCCB, complete all as directed.

All as per items No.14 here-in-before but 125 Amp capacity, 16 KA

All as per items No.14 here-in-before but 160 Amp, 36 KA capacity

All as per items No.14 here-in-before but 200 Amp, 36 KA capacity

All as per items No. 14 here-in-before but 250 Amp, 36 KA capacity

All as per items No. 14 here-in-before but 400 Amp, 36 KA capacity

S&F in replacement factory made, sheet metal enclosure frame size suitable for MCCB 250 Amps,4 pole incl all fixing material/accessories such as mounting nuts etc complete all as specified and as directed.

M&L for painting on old painted surface of LT panels/ busbar chamber by brushing/cleaning stains & grease spots with thinner and sand paper and painting the cleaned surface with synthetic enamel paint (Light gray) Shade No 631 or as approved by the Engr-in-charge to achieve good finish by applying two coats of paint by spray painting machine carefully after disconnection of power supply and covering the meters, indicators relays and switches to prevent from fall of paint drops on the panels including writing, number, letter etc with white paint on newly painted surfaces complete all as specified and as directed.

Disconnecting electrically switch boards/ electric panels/ distribution boards of any size by taking proper electric shut down, opening cables from MCCBs/DBs/main switches/panels, cutting of unserviceable/overheated cable ends/ thimbles etc, M&L for fixing of new aluminium thimbles suitable for LT cable size up to 400 sqmm x 3.5 core as required at site, insulation of all necked wires as per existing colour code, re-fixing/re-assembling as per existing complete all as specified and as directed.

Bringing fault detector machine with skilled tradesmen to detecting the fault by inducing the high potential in any sizes of LT cables, including digging up to showing faults and marked the place where fault detected and returning, filling, ramming & testing after rectifying the fault complete all as specified and directed.

M&L for taking down old U/S cable from wall/trench/roof any height and Supply, laying (laying in ducts / trenches / on walls / fixing on existing cable tray with new saddles & clamps etc as per site requirement), jointing, testing and commissioning with new XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 70 sqmm x 3.5 Core in trench/ on pole/ in duct complete all as specified and directed. Note:- 1. The cost of AI thimbles / lugs/clamps/fastner and cable gland etc is included in quoted rate and no extra payment will be made for it. 2. Excavation, earth work, sand cushioning, cable cover and Cable joints will be measured and paid separately under respective items of this sch.

All as per srl item No 24 here-in-before but 120 sqmm x 3.5 Core.

All as per srl item No 24 here-in-before but 185 sqmm x 3.5 Core.

All as per srl item No 24 here-in-before but 300 sqmm x 3.5 Core.

All as per srl item No 24 here-in-before but 400 sqmm x 3.5 Core.

S&F in replacement of GI pipe of 80 mm nominal dia light grade with all fittings laid in trenches or under road crossing or fixed to walls/poles with clamps nuts, bolts and washers, complete all as specified and directed.

Taking shut down of LT electric supply, disconnecting electric connection and taking out LT XLPE cable of size upto 400 sqmm carefully without damaging/disturbing other cable/services from ducts / trenches. Cleaning of ducts, shifting/ Relaying of serviceable LT cable and making all electric connection complete all as specified and directed. Notes : - 1. Cable joint, Excavation, earth work, sand cushioning and protection cover will be measured and paid off separately. 2. The duct has number of exsiting cable/services if any cable is damaged or services are disturbed during the work, contractor has to replace/made it serviceable without any extra cost to department.

Material & Labour for road cutting, including excavation, returning filling in, spreading, leveling well ramming in layers, soling with broken boulders/stones, WBM 7.5 cm thick coarse aggregate received from dismentling the existing road, premix, carpeting 25 mm thick using ready mix patch mate material, rolled and compacted for road patch repair work, complete all as directed.

M&L for jointing heat shrinkable LT 1.1 KV straight through joint suitable for aluminium cable of Size 300 Sqmm to 400 Sqmm x 3.5 core all as specified .

Ditto all as per item No 32 but for 185 Sqmm to 240 sqmm x 3.5 core .

Ditto all as per item No 32 but for 70 Sqmm to 150 sqmm x 3.5 core .

Excavating in trenches in soft / loose soil, not exceeding 1.5 meter wide and not exceeding 1.5 meter in depth and getting out complete all as specified and directed.

Material and labour for sand cushioning with layer of sand 8cm thick before laying of cable and 15cm after laying of cable in trenches complete all as directeld and sand cover to under ground cable complete all as directed.

Supplying laying, brick sub class 'B' common burnt laid in trenches for cable protection complete all specified and directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and directed.

Removal of excavated material not exceeding 50 meters and depositing where directed at a level not exceeding 1.5 meter above the starting point complete all as specified and directed.

Taking LT supply shutdown, disconnecting all electrical connection, taking down existing old / unservicable LT panel from its position incl all accessories and demolishing old plateform complete all as specified and directed. Note: Contractor shall be responsible for alternate arrangment of LT Supply with suitable capacity of LT cables if uninterrupted power supply is required as and when directed by Engr-in-charge. No exrtra cost will be paid to the contractor on this account.

Supply, installation, testing and commissioning factory made (CPRI approved) LT feeder pillar box, indoor type, made out of 2.00 mm thick CRCA MS sheet, powder coated, weather, dust & vermin proof front and back openable door, with suitable size angle iron frame and locking arrangement including suitable working space in bus bar chamber, cable box chamber with cable alley suitable for 3 phase 4 wire system, 415V, 50 Hz, AC supply, including minimum 1.5 times of main incomer rating aluminium bus bar with PVC sleeves/ tape RYB colours for phases identification, including all bus bar shall be extend upto cable box chamber fixed on fiber insulation for RYB & neutral to all out going cable, and fixed on raised PCC platform with PCC 1:2:4, type B1 (20mm graded aggregate) with control / internal wiring with PVC insulated copper conductor FRLS cable of suitable size. (Loc - Medical Store) The scope of work includes the following:- (i) Change over switch ON load 400 Amps, 4 Pole, AC, 50 Hz, 415 Volt -01 (Incomer), (ii) MCCB 4 Pole 440 volts AC 50 Hz 400 Amps, 36 kA, adjustable thermal magnetic release - 01 No (Incomer), (iii) Digital and programmable multifunction meter with all parameter with suitable capacity of 03 Nos CT's - 01 No, (iv) LED indication lamp with toggle switch RYB for phase indication- 01 Set of three, (v) MCCB 4 Pole 440 volts AC 50 Hz 125 Amps 16 kA, adjustable thermal magnetic release- 05 No (Outgoing-4, Spare- 1), (vi) MCCB 4 Pole 440 volts AC 50 Hz 100 Amps 16 kA, adjustable thermal magnetic release- 05 No (Outgoing-4, Spare- 1)

All as per ser item No 41 but outoor type, made out of 3.15 mm thick CRCA MS sheet comprising the following:- (i) Change over switch ON load 630 Amps, 4 Pole, AC, 50 Hz, 415 Volt -01 (Incomer), (ii) MCCB 4 Pole 440 volts AC 50 Hz 630 Amps, 50 kA, adjustable thermal magnetic release - 01 No (Incomer), (iii) Digital and programmable multifunction meter with all parameter with suitable capacity of 03 Nos CT's - 01 No, (iv) LED indication lamp with toggle switch RYB for phase indication- 01 Set of three, (v) MCCB 4 Pole 440 volts AC 50 Hz 250 Amps 36 kA, adjustable thermal magnetic release- 01 No (Outgoing), (vi) MCCB 4 Pole 440 volts AC 50 Hz 160 Amps 36 kA, adjustable thermal magnetic release- 01 No (Outgoing), (vii) MCCB 4 Pole 440 volts AC 50 Hz 125 Amps 16 kA, adjustable thermal magnetic release- 08 No (Outgoing - 6 & Spare - 2 )

All as per ser item No 41 but outoor type, made out of 3.15 mm thick CRCA MS sheet comprising the following:- (i) Change over switch ON load 630 Amps, 4 Pole, AC, 50 Hz, 415 Volt -01 (Incomer), (ii) MCCB 4 Pole 440 volts AC 50 Hz 630 Amps, 50 kA, adjustable thermal magnetic release - 01 No (Incomer), (iii) Digital and programmable multifunction meter with all parameter with suitable capacity of 03 Nos CT's - 01 No, (iv) LED indication lamp with toggle switch RYB for phase indication- 01 Set of three, (v) MCCB 4 Pole 440 volts AC 50 Hz 200 Amps 36 kA, adjustable thermal magnetic release- 01 No (Outgoing), (vi) MCCB 4 Pole 440 volts AC 50 Hz 125 Amps 16 kA, adjustable thermal magnetic release- 08 No (Outgoing - 7 & Spare - 2 )

M&L in replacement of plate earthing complete with galvanized mild steel plate electrode 60cm x 60cm x 6.0 mm thick buried directly in ground vertically (in earth pit not less than 2.25m below normal ground level) with the top edge of the earth plate at a depth not less than 1.5m below norm al ground level, the earth electrode surrounded by adequate quantity of clear coal dust and salt to a packed thickness of 15cm on all sides and incl GI earth strip 32 x 6 mm bolted (with GI nuts, bolts & check nuts) and revetted to earth plate at one end and connected to metallic bodies of equipments etc, GI earth strip encased in and including 40 mm bore GI medium grade pipe with all fittings from upper edges of earth plate to body of equipment fixed with and including 32 x 6 mm flat iron clamps,bolts, nuts and washer and also including providing 20 mm bore GI pipe medium grade from bottom of earth plate to ground level for watering complete with earth pit in PCC 1:2:4 type B-O using 12mm graded crushed stone aggregate and RCC cover, funnel, wire mesh including necessary excavation & earth work, etc as shown on electrical plate No 3 of SSR Part I complete all as specified and directed. Note: (i) Rate included for Adequate quantity of charcoal dust, common salt and Testing commissioning including checking of earth continuity and earth result complete all as specified and as directed. (ii) Rates for Main earthing lead from earth electrode to test point upto 7.5 metre will deemed to be included in quoted rates. (iii) On testing after completion if the desired earth resistance is not obtained the earthing will be redone at no extra cost.

Taking down of old fencing and S&F Expanded metal weight per square metre not exceeding 4 Kg, cut to length, bent to shape required and tying with and including annealed mild steel wire not less than 0.9mm dia or fixing with galvanised steel staples supplied and fixed complete to wood or steel members complete all as specified & directed. Note: MS frame /Angle work will be measured and paid seperately.

M&L for cross arms, bracings, supports, clamps, angle iron(50mmx50mmx6mm or any other size), flats (50mmx6mm or any other size) and back plates fabricated from MS steel sections including nuts, bolts and washers of suitable sizes including welding, bending (cold or hot), drilling holes for bolts in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of synthetic enamel paint, complete all as specified & directed.

M&L for rough excavation not exceeding 1.5 m deep and getting out soft/loose soil complete all as specified & directed.

Excavating in post holes (or similar holes) in soft/loose soil each n exc 0.5 cu. m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm complete all as specified & directed.

M&L for Cement concrete in foundations, filling and mass concrete type D2, 1:4:8 (40 mm graded aggregate) complete all as specified & directed.

M&L for 40mm thick cement concrete type B-0, 1:2:4 (20mm graded aggregate) complete all as specified & directed.

M&L for brick work with sub class 'B' bricks, straight or curved on plan exc 6m mean radius built in CM 1:6 complete all as specified & directed.

M&L Machine pressed precast & prepolished coloured concrete interlocking paver block any shape and size of 80mm thick with grey cement & pigment of M-40 grade complete all as specified and directed

M&L for rendering 15mm thick cement plaster in 1:4 on fair faces of brick work or concrete surfaces, finished even and smooth without using extra cement complete all as specified & directed. Note for item No 1 to 53 :- (i) It is not mandatory to hand over the work site/ bldg to the Cotractor in one stretch. (ii) It may be handed over in peace-meal as and when the site/ bldg are vacated or shut down given by the user including Sunday/ Holiday/ Night Hrs. Contractor shall make/ changes the execution plan accordingly. Any claim what so ever on this account shall not be admissible. (iii) Rate quoted by the Contractor shall be deemed to include on this account.

OMVIN ENTERPRISES LLP

CHAUHAN ENTERPRISES

Ridhi engineers and builders

SANJEEV ENTERPRISES