SPL REPAIRS FOR REPLACEMENT OF OLD LT PANELS AND AIR CURTAINS AT TPW AREA INSIDE NAVAL DOCKYARD AND PROVN OF 60 KVA UPS FOR CAT-I APPROACH CIRCUIT I AND II FOR AIR FIELDS LIGHTING SYSTEM AT CCR, INS DEGA UNDER GE (U-I) VISAKHAPATNAM

Amount

S&F cubical type LT Panel, outdoor type, factory made from CPRI approved factory, made out of 3.15 mm thick CRCA steel sheet and including MS angle iron 50 x 50 x 6 mm frame work, legs 0.6 m long, MC 100 channel base, totally enclosed, dust & vermin proof using neoprene rubber gasket (IP-54), double leaf door shutter in front side and single leaf shutter in rear side fixed with hinges having necessary locking arrangement in both front and rear door, with four side projected slanting roof, provided with louvers for ventilation / heat dissipation, danger notice plate, duly powder coated of approved shade over a coat of red oxide primer both internally and externally and including mounting on PCC platform made out of PCC (1:3:6) type C1 (20 mm graded stone aggregate), 150 mm thick (100 mm below & 50 mm above GL) and including necessary form work, earth work and excavation. (Contd...)

S&F cubical type LT Panel, outdoor type, factory made from CPRI approved factory, made out of 3.15 mm thick CRCA steel sheet and including MS angle iron 50 x 50 x 6 mm frame work, legs 0.6 m long, MC 100 channel base, totally enclosed, dust & vermin proof using neoprene rubber gasket (IP-54), double leaf door shutter in front side and single leaf shutter in rear side fixed with hinges having necessary locking arrangement in both front and rear door, with four side projected slanting roof, provided with louvers for ventilation / heat dissipation, danger notice plate, duly powder coated of approved shade over a coat of red oxide primer both internally and externally and including mounting on PCC platform made out of PCC (1:3:6) type C1 (20 mm graded stone aggregate), 150 mm thick (100 mm below & 50 mm above GL) and including necessary form work, earth work and excavation. (Contd...)

M&L earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground in vertical position (earth pit not less than 2.25 m deep below the normal ground level) with top edge of the earth plate not less than 1.5 m below normal ground level, connected to earth lead of galvanised iron strip 32 x 6 mm 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 point including taking down existing un-serviceable Earthing complete all as specified and directed. Note:- The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C1 chamber, RCC 1:1.5:3, type A1 cover slab, 50 mm thick reinforced with 8 mm dia TMT bar @ 140 mm C/C both ways, 10 mm dia plain bar lifting handle embedded in cover slab, Main earthing lead from earth electrode to test point upto 7.5 m length, 20 mm bore medium grade GI watering pipe, 40 mm bore GI medium grade earth lead protection pipe, funnel, wire mesh, copper lugs, charcoal and common salt in alternate layer etc.

Supply, install, commissioning and testing of Industrial Air curtain unit for prevention of dust and conditioned air losses, single phase, 220 V, 50 HZ, made out of MS/CRCA sheet of minimum thickness 18 gauge finished with two coats of red oxide primer and final coat of synthetic enamel paint (oven baked) with MS - CRC 18 gauge square perforated suction grills, Aluminium alloy fans and single phase electric motor, nozzles etc, complete with fittings and accessories so as to produce 1 - 1.5 m/sec air velocity at floor level for door opening including taking down existing un-serviceable air curtains complete all as specified and directed.

Supply & laying LT XLPE insulated, armoured heavy duty electric cable with alumimium conductor, 1100 volts grade, cross sectional area 25 Sqmm x 4 Core, laid in trenches / passing through pipe / duct / fixing along the wall using necessary clamps, nuts, bolts etc., including taking down existing un-serviceable cable complete all as specified and directed by Engineer-in-Charge.

S & F GI Perforated Cable Tray of Size 150 mm wide, 50 mm Deep, made with 2 mm thick Sheet, with Perforation not more than 17.5%, in convenient sections, joined with connectors including all Tees, Right Angle Bends, Suspenders, Bolts, Nuts, Washers etc. complete all as specified and as directed.

Excavation in trenches, not exc 1.5 m wide and not exc 1.5 m in depth; laying of cable etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft / loose soil complete all as specified and directed.

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

Removing of excavated surplus soil to a distance n. exc 50 m and depositing where directed at a level n. exc. 1.5 m above the starting point complete all as specified and directed.

M&L sand cushioning with River sand in trenches for protection of UG cable and including punning down complete all as specified and directed. Note:- Punned thickness of sand coushioning shall only measured and paid.

Supply & laying sub class 'B', class designation 75 bricks of old size, laid over sand cushioning along alignment of cable as protection to cable in trenches including taking out old bricks complete all as specified and directed. Note : Sand cushioning will measured and paid seperately.

Supply, laying & tesing of LT XLPE insulated, galvanized steel strip or wire armoured, electric power cables (heavy duty) stranded Copper conductor, 1100 volts grade, cross sectional area 25 Sqmm x 4 Core, laid in trenches / passing through pipe / duct / fixing along the wall using necessary clamps, nuts, bolts etc., complete all as specified and directed by Engineer-in-Charge.

S&F 50 mm bore dia galvanised steel tubing, light grade galvanised, laid under road crossing, for cable protection or fixed to poles, walls or laid under floors complete all as specified and directed.

M&L for cutting the bitumineous mecadam / hard standings in road and excavating trenches across the road in size not exceeding 0.45 m wide and 0.6 m depth for laying cable / cable protection pipe including returning and refilling earth & making good top surface of the disturbed portion with 100mm thick PCC (1:3:6) type C-1 (using 20 mm graded stone aggregate) / bituminous mix as per existing & matching with the surroundings including removal of rubbish off to a distance not exceeding 100 m complete all as specified and directed. Note:- Unit rate quoted against this item shall deemed to include road cutting, earth work excavation, plain cement concrete work required for making good top surface etc., complete.

M&L PCC (1:3:6) type C1, (using 20 mm graded crushed stone aggregate) as in copings, benching and the like etc. including necessary formwork complete all as specified and directed.

S&F earth continuity conductor or main earthing lead using 32 x 6 mm Copper strip, fixed to wall on batten or recess or chases or buried in ground or drawn in conduit / pipe or fixed to poles or any other indicated situation with saddles and fixing screws etc. for roof conductors and down conductors above ground etc. as required complete all as specified and directed.

Supply, install, testing and comissioning 60 KVA (3Ph In & 3Ph out) with high performance IGBT/PWM based true-on-Line Double conversion Microprocessor controlled UPS system, PF-0.9 DSP controlled double conversion online UPS system including 32 nos. 12V/200AH SMF batteries, battery stand, Interconnecting cables for batteries, battery circuit breaker for 1 Hr power backup all as specified and described. The UPS should be Fully digital technology based on double DSP. High reliability Thyristor phase-controlled rectifier, IGBT module based full-bridge inverter, inverter isolation transformer; the battery is directly connected to DC BUS. Input power wall-in, benefit the connection of generation and power transfer generator power limit mode, Wide input voltage range 300 TO 480 V, 3 Phase, 50 Hz and output voltage 415 V + 2.5 V %, 3 Phase, 50 Hz, PF- 0.9 (lag). Intelligent auto transition between equalizing charge and floating charge; Battery backup time prediction, Periodic self-test; lengthen battery life. N+X parallel mode, Over voltage protection, over frequency protection over-curernt protection, over bus voltage protection, over-temperature protection, auxillary power supply failure protection, output overload protection, output short-circuit protection emergency shutdown RS232 and RS485, large-screen LCD panel; Monitor section monitors the status of the UPS, transfers command, records failure Events in the history record, and communicates with host computer, complete all as specified and directed.

M&L earthing complete with Copper earth plate electrode of size 60 cm x 60 cmx 6 mm thick buried directly in ground in vertical position (earth pit not less than 2.25 m deep below the normal ground level) with top edge of the earth plate not less than 1.5 m below normal ground level, connected to earth lead of Copper strip 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, all as shown in electrical plate No. 3 of SSR Part-I connected to earthing test point complete all as specified and directed. Note:- The unit rate shall also include for earth work in any type of soil, PCC 1:2:4 type B1 chamber, RCC 1:1.5:3, type A1 cover slab, 50 mm thick reinforced with 8 mm dia TMT bar @ 140 mm C/C both ways, 10 mm dia plain bar lifting handle embedded in cover slab, Main earthing lead from earth electrode to test point upto 7.5 m length, 20 mm bore medium grade GI watering pipe, 40 mm bore GI light grade earth lead protection pipe, funnel, wire mesh, copper lugs, charcoal and common salt in alternate layer etc.

MSN ENGINEERING WORKS (BID ID -3497089)

PRADEEP ENTERPRISES (BID ID -3497238)

R AND A ASSOCIATES ENGINEERS CONTRACTORS (BID ID -3497011)

UNITED AIR COOLING & PROJECTS (BID ID -3484509)