PROVN OF IRON FRAME FOR OHT VARIOUS MD ACCN NDA KHADAKWASLA

Supply only chain link MS galvanized fencing, conforming to IS:2721:2003 of any size or type including line wires of 3mm nominal dia,avg area of aperture 0.25 sqcm and or weight of the fencing not less than 2.00 kg/sqm straining bolts etc including provision of binding wire complete all as specified and directed.

Fixing only chain link fencing including line wires, any mesh, size and type of standards, rails, straining bolts, etc, and including provision of binding wire complete all as specified and directed.

S&F Mild steel screw bolts diameter of neck 11 to 15 mm (machine made) with hexoganal or square heads at one end and screwed the other or screwed both ends each screwed end to be fitted with washers and one hexagonal or square nut, exc. 5 cm but not exc. 10 cm long complete all as specified and directed.

S&F in position angle iron posts for OHT Frame posts and struts, split at bottom, cut to shape, including providing flat iron for securing wire mesh with necessary welding, drilling bolting or rivetting, complete all as spd and directed.(Steel confirming to Fe-290 (Gde E-165)) complete all as specified and directed

M&L for painting the new steel surface complete all as specified and directed as follows :- (a) Surface preperation- Preperation of new steel surfaces of any description, not otherwise described over 10 cm width or girth (b) Priming surface- Applying one coat of red oxide primer (c) Painting- Applying two coats of synthetic enamel paint.

M&L for mild steel flat/strap conforming to relevant IS specifications, for fabrication and fixing of horizontal, intermediate and connecting/strengthening members of mild steel iron-frame caging around PVC Overhead Tanks (OHTs), including all necessary cutting, straightening, shaping, drilling, welding and fixing with nuts, bolts, washers, clamps, cleats and other required accessories, complete in all respects, including all materials, labour, tools, plant, scaffolding and incidental works, as specified and directed by the Engineer-in-Charge. Note : Nut, Bolt and washers, clamps, cleats are measured and paid separately under relivent items of BOQ.

S & F in repairs 125 mm long heavy weight, cold rolled mild steel Butt hinges with screws complete all as specified and directed.

M & L for Mild steel sliding door bolts, plate type, 200 mm length stove enamelled black, with bright bolt not less than 12mm dia with and including a minimum of 6 bolts and nuts, four on bolt plate and two on staple plate or fabricated with frame all as specified and directed. Notes For Ser item No 01 to 08 (i) The above items will be executed for fabrication and fixing of MS Iron frame caging around PVC Over head tanks (OHTs) to provide protection against monkeys , other animals and contamination. (ii) Any PVC OHT pipelines, fittings, valves or other water-supply services disturbed or damaged during the installation of the iron-frame caging shall be properly reinstated and made good by the contractor, complete in all respects, at no extra cost. (iii) The iron-frame caging work shall be planned and executed in phases in consultation with the Engineer-in-Charge, ensuring that the existing external water-supply services to users are not interrupted or adversely affected during execution. (iv) The contractor shall visit the site before submission of the tender to assess the existing site conditions, dimensions, access, obstructions and other relevant ground conditions and shall satisfy himself regarding the scope and quantum of work before quoting the rates. (v) Before commencing the work , the contractor shall submit the drawings of the iron frames for the 500ltr, 1000ltr & 2000ltr water tanks for approval.