PROVISION OF CHEMICAL EARTHING WITH COPPER STRIPS ALONG THE DBMS FOR MISSILES STORAGE AT NAD KARWAR AND HIGH INTENSITY SECURITY SEARCH LIGHT FOR WATCH TOWERS INSIDE VAJRAKOSH AND GATES AT INS VAJRAKOSH, NAVAL BASE KARWAR

Amount

M & L for providing copper plate 600mm x 600mm x 3.15mm chemical grounding system with coppper sulphate and bentonite for electronic test equipment including all installation as per IS 3043 all as specified and as directed by Engr-in-Charge.

M & L copper strips for connection with spacers and there brazing related work as per standard procedure all as specified and as directed.

M & L for ASHLOK make Model TP maintenance free grounding electrode including all installation, galvanised iron pipe in pipe (47mm dia and 25mm dia having 3 mtrs long) earthing electrode dual pipe with flat (19 x 3mm) technology filled with high conductive compound terminal 37 x 8mm with 13mm dia hole complete all as specified and as directed.

M & L for ASHLOK make Moisture booster compound 20Kgs bag all as specified and as directed.

M & L for PCC chambers with CI covers for the above earth pits of size 600 x 450mm size of 115mm size brick wall including 15mm thick plastering in CM 1:6, painting & marking / numbering the pits complete all as specified and as directed by the Engr-in-Charge.

M & L for earth continuity conductor or main earthing lead 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 for loop earthing etc as required 20 x 3mm copper strip complete all as specified and as directed.

S & F of CS mounted high intensity search light long range, manually swivel in all direction 250w, beam range 700meters, single, LED efficiency > 140lm/w, PF > 0.95, CCT 5500K - 6500K, Optical grade PMMA / PC lens / reflector efficiency > 95% multiple circuit to avoid complete run - down, anti UV, narrow beam 5 degree, die cast LM6 body with air fins, powder coated constant current, average lux at 5 meter - 15000 with circle of approx 600mm, working temp -20 to +60 degree Celcius, input volt 150 - 270V, 50Hz, PF> 0.95, confirming to LM79/LM80 as per IS : 10322/ IS: 13383. the stand of this search light should be suitable for fixing on railing / platform of watch tower or other plain surface. It is made by steel and suitable for manual rotation of the light on the horizontally ( more than 360degree) and vertically (more than 45degree) with provision of both locking arrangement at desired position complete all as specified and as directed. Make : Kalin Cat Part No CS-LRFLL25-PC25 or equivalent make as approved by GE.

M & L for submain wiring with 4 x 4 Sqmm PVC (FRLS) + 2x2.5sqmm insulated unsheathed multi stranded copper conductor cable 1100 volts grade single core conforming to IS -694-1990 and including one run of continuos earth wire to common earth and connected to earth & incl PVC surface casing 'N' capping double lock type to be fixed with the help of rawal plugs & screws including necessary fittings and making good disturbed surfaces with CM 1:4 to match with the existing surface complete all as specified.

S & F sheet metal enclosure single pole and neutral with a two pin and earth plug and socket complete with one single pole MCB 240Volts 20amps complete all as specified and as directed.

M & L for earthing complete with galvanized steel earth plate 600 x 600 x 6mm thick, buried directly in ground (earth pit not less than 2.25m deep below ground level ) with top edge of the plate not less than 1.5m below normal ground level, connected to but using galvanised iron strip 25 x 4mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel besides welding at all joints as shown in drawings and including excavation and earthwork, GI pipe light grade 40m bore for protection of GI strip from earth electrode to and including the earth test point of galvanized iron / steel of size 75 x 75 x 25mm, supplying and laying charcoal dust, common salt, PCC 1:2:4 type B-1 chamber and MS angle iron frame 40 x 40 x 3mm and RCC cover 40mm thick (1:2:4) type B-1 using 20mm graded stone aggregate reinforced with 6mm dia TMT bars @ 75mm C/C both ways with MS handle 12mm dia, PGI funnel and wire mesh 20mm dia GI pipe light grade for watering all as shown in plate No 3 of SSR Part I of 2009 and connected to earth test point including earth work and testing complete all as specified and as directed. Note: Earth strip and its protection pipe upto and including 7.5meter from the top of earth electrode are included under this item.

Supply, laying, jointing, testing and commissioning of LT underground XLPE cable insulated screened PVC bedded, galavanised steel strip or wire armoured heavy duty electric cable with stranded aluminium conductor, 1100 volts grade of cross-sectional area 35 sqmm 3.5 core, conforming to IS-7098 (Part-I) of 1988 laid in trenches/wall/floors /ducts etc fixed with saddle and clamps or passing through pipes including provision of new lugs, glands, cable route indicators etc complete all as specified and directed. (Excavation, earth work, PCC cover, joints and GI pipe shall be measured and paid for seperately)

All as per item No 11 above but cross sectional area 50Sqmm, 3.5 core complete all as specified and as directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth for foundation or for laying / taking out cable / GI tubes and getting out in soft/loose soil all as specified and directed.

All as per item No 13 above but in hard / dense soil complete all as specified and as directed.

All as per item No 13 above but in hard rock complete all as specified and as directed.

Returning, filling in including spreading levelling watering and well ramming in layer not exceeding 25 cm thick in soft/loose soil all as specified and directed.

Removing excavated material/soil not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point all as specified and directed.

All as per item No 17 above but rocks complete all as specified and as directed.

Supply and spread dry river sand in trenches for cable cushioning all as specified in clause 19.75 of SSR Part-I. Note:- Punned thickness of sand only will be measured & paid.

Supply and laying un-reinforced pre-cast concrete cable cover, class LV, type 1, flat, size 250mm x 150mm x 40mm thick with ISI marked factory made as cable protection covers complete all as specified and directed.

Supply and laying in repair GI pipe light grade 50mm bore with necessary fittings laying in trenches / under floor / on walls for protection of UG cables complete all as specified and as directed

M/S DK Enterprises

sohan construction

JAI SHREE GOPAL ELECTRICALS

NATIONAL ENGINEERING CORPORATION

KVL CONSTRUCTION

SIRI SALES AND SERVICES

Bidder Name

NATIONAL ENGINEERING CORPORATION

KVL CONSTRUCTION

sohan construction

JAI SHREE GOPAL ELECTRICALS

M/S DK Enterprises

SIRI SALES AND SERVICES

BROTECH