National Security Guard-NSG has published Providing And Installation Of Solar Water Heating System At Commando Bk Cons Of Dust Bin Shed And Construction Of Incinerator At 29 Scg Nsg Kolkata For The Year 2021 22. Submission Date for this Tender is 17-01-2022. Dustbin Tenders in rajarhat West Bengal. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Earth work in excavation by mechanical means (Hydraulic excavator )/ manual means over areas (exceeding 30cm in depth. 1.5m in width as well as 10 sqm on plan) including disposal ofexcavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed.All kinds of soil |
| 2 | Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level :1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size). |
| 3 | 1:4:8 (1 Cement : 4 coarse sand : 8 graded stoneaggregate 40 mm nominal size). |
| 4 | Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centring, shuttering, finishing and reinforcement - All work upto plinth level :1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) |
| 5 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.Thermo-Mechanically Treated bars. |
| 6 | Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:Cement mortar 1:6 (1 cement : 6 coarse sand) |
| 7 | Providing and fixing 1mm thick M.S. sheetdoor with frame of 40x40x6mm angle iron and 3mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer.Using M.S. angels 40x40x6 mm for diagonal braces. |
| 8 | Steel work in built up tubular ( round, square or rectangular hollow tubes etc.) trusses etc. including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.Hot finished welded type tubes |
| 9 | Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm + 0.05 %, total coated thickness with zinc coating 120 gsm as per IS: 277 in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches while transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. |
| 10 | 12 mm cement plaster finished with a floating coat of neat cement of mix :1:4 (1 cement : 4 fine sand) |
| 11 | Wall painting with plastic emulsion paint of approved brand and manufacture to give an even shade:Two or more coats on new work |
| 12 | Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings i/c fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall.15 mm nominal outer dia .Pipes. |
| 13 | 25 mm nominal outer dia .Pipes. |
| 14 | 40 mm nominal outer dia .Pipes. |
| 15 | Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :25 mm nominal bore |
| 16 | 40 mm nominal bore |
| 17 | Providing and fixing C.P. brass bib cock of approved quality conforming to IS:8931.15 mm nominal bore. |
| 18 | Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia. M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in- charge. |
| 19 | Providing, installation, testing & commissioning of ETC type (evacuated tube collector)solar water heater with heat exchanger (i) Inner tank material: Enamel steel of 2.5mm with glass lined coating (ii) Inner Dish 2.5mm (iii) Outer Dish Aluminium with powder coated (iv) Insulation: 50 mm High quality PUF materials (v) outer tank: Powder coated /stainless steel all complete. Total 3000 ltr |
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