Repair/Maintenance of joint sealing at PTT and LTT and pavement painting in Air Field and certain Misc works at 19 Wing AF Stn under GE (AF) Borjhar

Amount

M&L for racking out joint/removing old sealing compound, dirt, etc from EXPANSION JOINTS 25mm to 30mm wide and 25mm deep, cleaning the joints properly by mechanical means over filler board with closed cell, medium density, cross linked polythene from backup, priming (two coats) with specified primer suitable for polysulphide and filling top 10 to13mm polyurethene base sealent using masking tape on edges of joint to prevent accidentail spillage of sealent on top of surface after filling of sealent as specified and direction by the manufacturer complete all as specified and as directed.

M&L for making out joint/removing old sealing compound, dirt, etc. from construction/dummy joints 10mm to 20mm wide and 25mm deep, cleaning the joints properly by mechanical means over filler board with closed cell, mediium density, crossed link polysulphide and filling top 10 to13mm polyurethene base sealent using masking tape on edges of joint to prevent accidentail slippage of sealent on top of surface and removing the masking tape after filling of sealent as specified and direction by the manufacturer complete all as specified and as directed.

M&L for repair to broken spelled edges of joints, pot holes, etc. with epoxy mortar of existing concrete slab by forming square/ rectangular grooves with mechanical cutter wider towards top-bottom-top form key with existing concrete and claeaning/dusting of groves by using compressed air to remove all dirts, dust, etc. by air blower and repair with applying two coats of epoxy primer under the epoxy mortar complete all as specified and as directed.

S&F retro reflective cautionary signage as per IRC : 67, made out of High Intensity Prismatic (HIP) retro reflective sheeting (any colour as approved by GE) having polycarbonate limit as 30% to 60% by weight and conforming to ASTM 4596 type IV standard. The retro reflective film as letters/numbering/Airforce emblame as directed by Engineer-in-Charge to be pasted on 2mm thick aluminium sheet conforming to IS-737 standard and back side of the board powder coated to approved colour complete with manufacturer guaranty of 7 years for retro reflective sheeting as in repairs complete all as specified and as directed. Make: AVERY DENISON/3M/DARK EYE

M&L for PCC (1:2:4) type B-2 (using 40mm graded stone aggregate) as in foundation filling and mas concrete, etc. complete all as specified and as directed.

Demolition of cement concrete (unreinforced) in ground floors and pavings, n. exc.15cm thickness below or above ground level complete all as specified and as directed.

M&L for preparation of old steel and iron surfaces of any description, over 10cm in width or girth and applying two coats of synthetic enamel paint of approved tint complete all as specified and as directed.

S&F stainless steel, chrome finish framework for sign board (exclusive of steel sheeting or other covering) including necessary fixing, hanging, fabrication, drilling, fastening, etc. using stainless steel screws, nuts and bolts, washers, etc. complete all as specified and as directed.

Dismantling of wrought iron or mild steel work of any description not otherwise provided for in this schedule/BOQ complete all as specified and as directed.

m/s dip contruction