Maintenance works in the roof top of Nila building (related to plug and play module area) in Technopark Phase 1 Campus, Trivandrum

Amount

Material and Labour charges for replacing M.S. screws with self-tapping pan head nickel-coated mild steel screws of size 13 x 3.2 mm to 1.5 SS screws. The work includes the removal of existing damaged/ corroded bolt and the fixing of new M.S. screws with self-tapping pan head nickel-coated mild steel screws as per the direction of engineer in charge.

Silicon filling work over and around existing/ new bolts on the rooftop at all heights and all floors up to the 8th-floor level with 2mm thick silicon filling to protect the roof sheet from leakage as per the direction of engineer in charge

Providing and fixing the required shape of plain G.S/ GI. sheet gutter with iron brackets 40x3 mm size, bolts, nuts and washers etc., including making necessary connections with rain water pipes and applying Zecromatic primer etc. complete. 0.80 mm thick with zinc coating not less than 275 gm/m2

Painting on G.S/ G.I. sheet with MRF Metal coat Multipurpose aliphatic Polyurethane (PU) finish paint of required colour to given an even shade on New/ old work (two or more coats) including all labour and material as per the direction of engineer in charge.

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch ofcorrugation as approved by Engineer-in-charge) 0.35 mm (+0.05%), total coatedthickness with zinc coating 120 grams per sqm 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 scratchesduring transportation and should be supplied in single length upto 12 metre or as desiredby Engineer-in-charge. The sheet shall be fixed using self drilling/self tapping screws ofsize (5.5x55mm) with EPDM seal, complete upto any pitch in horizontal/ vertical orcurved surfaces, excluding the cost of purlins, rafters and trusses and including cutting tosize and shape wherever required. The rate inclusive of all material charge, labour, transportation, Scaffolding (If needed) loading/unloading at the work space and removal of debris from Technopark campus etc. complete as per the direction of engineer in charge.

Steel work in built up G I 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

6 mm cement plaster of mix: 1:3 in wall and ceiling by using the compound of Dr. Fixit chemical 200ml per 50Kg of cement as per the direction of engineer in charge. ( 1 cement : 3 fine sand)

Providing and applying waterproofing with P.U coating over existing mother slab of sloped roof after removal of existing damaged plastered surface/ repers including removal of concrete repers (removal of plastering to be paid separately) and chipped the cracked areas and cleaned with proper materials and applying required layer of approved P.U compound over the surface as per manufatures specification and direction of engineer in charge. The rate inclusive of all material charge, labour, transportation, Scaffolding (If needed) loading/unloading at the work space and removal of debris from Technopark campus etc. complete as per the direction of engineer in charge.

Dismantling roofing including ridges, hips, velleys and gutters etc., and stacking the material within 50 metres lead of : G.S./G.I Sheets The rate inclusive of all material charge, labour, transportation, Scaffolding (If needed) loading/unloading at the work space and removal of debris from Technopark campus etc. complete as per the direction of engineer in charge.

Providing ridges or hips width 120 cm overall width plain G.S. sheet fixed with polymer coated J or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers complete. 0.63 mm thick with zinc coating not less than 275 gm/m2

Providing valleys of 120 cm wide overall in plain G.S. sheet fixed with polymer coated J or L hooks, bolts and nuts 8 mm dia G.I. limper and bitumen washers complete: 1.60 mm thick with zinc coating not less than 350 gm/ m2

Providing and fixing PVC pipes, fittings including fixing the pipe with clamps at 1.00 m spacing . This includes jointing of pipes & fittings with one step PVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge 50 mm dia 6 Kgf/cm2 - Internal work- Exposed on wall

Providing and fixing PVC pipes, fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes with one step PVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge. Concealed work, including cutting chased and making good the wall etc. 110 mm pipe 6kgf/cm2

Rohas Ventures Pvt Ltd