REPLACEMENT OF ROOFING SHEETS, GUTTERS AND ALLIED WORK AT PSL SLED FACILITY and F BUILDING, ARAI KOTHRUD, PUNE

Removing of existing precoated sheets and Providing and fixing new precoated GI profile sheets (size, shape and pitch of corrugation as approved by EIC). 0.50mm +/- 5% total coated thickness (TCT). Made up of high tensile steel mettlic hot dip coated with aluminium zinc alloy , Zinc coating min 120 gsm as per IS 277 in 240mpa steel grade, 5-7 micron epoxy primer on both sides of the sheets and polyster top coat 15-18 micron of approved shade. Sheet should have protective guard film of 25 microns minimum to avoid scratches while transportation and should be supplied in single length of 10mtr or as desired by EIC. The sheets shall be fixed using self drilling of self tapping screws of size 5.5 X 55 mm with EPDM seal or with polymer coated J or L hooks, bolts and nuts 8mm dia. with bitumen and GI limpet washers or with GI limpet washer filled with white lead complete upto any pitch in horizontal or vertical or curved surfaces as required, scope inclusive of laps, wastage , painting of anto corrosive paint with necessary civil work for fixing new sheets and finishing edge with waterproofing plaster any scaffolding, leakproofing etc. complete. Scope includes removing of existing precoated sheet in proper manner and shifting to designated place within ARAI premises as per direction of Engineer in charge

PSL Bunge sled facility

SDL shop floor first bay

Providing and fixing 0.5 mm thick GI precoated ridge over G.I precoated sheet of width up to 300 mm.Specification- 0.5 mm+/- 5% total coated thickness (TCT), Zinc coating 120 gsm as per IS:277 in 240 mps steel grade , 5-7 miicrons Eppoxy primer on both side of the sheet and polyester top coat 15-18 micron using self drilling screws( Class 4) / GI seam bolts, GI plain and bitumen washer, Fixing of precoated sheet over masonry - precoated sheet joint. surface in straight line or incline line with screws at regular distance as specified. Lapping of sheet in such way to avoid joint lekage ( min lapping 75 mm ) in case of long parapet wall . Scope includes necessary scaffolding, tools & tackles, transporatation, loading- unloading, shifting of material to required place, consumables such as silicons , rubber gasket applicable if any.

"Providing and fixing 0.5 mm thick GI precoated flashing , capping covering wall- GI precoated sheet joint of width up to 600 mm Providing and fixing Precoated Galvanised steel roofing sheet accessories 0.5 mm+/- 5% total coated thickness (TCT), Zinc coating 120 gsm as per IS:277 in 240 mps steel grade , 5-7 miicrons Eppoxy primer on both side of the sheet and polyester top coat 15-18 micron using self drilling screws / GI seam bolts, GI plain and bitumen washer, Fixing of precoated sheet over masonry - precoated sheet joint. surface in straight line or incline line with screws at regular distance as specified. Lapping of sheet in such way to avoid joint lekage ( min lapping 75 mm ) in case of long parapet wall . Scope includes necessary scaffolding, tools & tackles, transporatation, loading- unloading, shifting of material to required place, consumables such as silicons , rubber gasket applicable if any."

Removing Existing gutters and Providing and fixing 2.0 mm thick GI Gutter : Removing of existing gutter from the position of approximate height up to 7 meters above Ground level and shifting to the scrap yard with lead of 200 meters from PSL shed area. Scope includes necessary scaffolding, tools and tackels lifting and refixing of existing precoated sheets if required along with MS supports etc. complete. Contractor has to visit the site to understand actual condition prior to submit the quotes. Providing and fixing in position 2 mm thick GI gutter with flashing, moulded to shape as per site condition having approximate width min 250 mm wide and average 300mm deep (as per available depth) with welded joints laid to slope/ level. Providing and fixing of MS bracket of 35 x 5 mm at every 1 meter spacing or as per purlins, existing supports conditions. Rate also includes laps, wastage , painting of anti corrosive paint with necessary civil work for fixing new sheets and finishing edge with waterproofing plaster (if required) etc. complete. Welded joints must be leak proof with min. 5 years warrantee. necessary arrangement for leakproof connection to down take pipe from newly fixed gutter

Providing and fixing heavy duty 6" dia (150 mm ) PVC pipe with solution joint for main header line laid in adequate slope carrying all surface drain from GI gutter to outside building premises. Scope includes 1. Providing and fixing 6" dia heavy duty PVC pipe with solution joint connecting GI gutter to main header line including piping work, long bends, long shoes, sockets, tees , bends, clips etc. fittings and fixtures, solutions complete as per given details or instructions of EIC. 2. Providing and fixing heavy duty 6" PVC pipe as main header line laid in slope supported with GI threaded rod with adjustable supports. 3. All the joints must be water tight. 4. All the pipes must be supported with GI threaded rod of dia 6- 8 mm with adjustable supports nut bolted to MS member of truss as per required slope. Scope inlcudes making drill holes to truss bottom. 7. Includes Breaking and plaster repair work for cutout at wall and down take piping carrying storm water outside building premises. 8. Fitting, fixtures for connecting the new pipe line with existing PVC line. 9. All scaffolding ,tools and tackles , material loading and unloading etc complete. 10. Includes 50 mm dia PVC pipe air vent.

Labour charges for Precoated roof sheet fixing: Labour charges for fixing existing availabale precoated GI profile sheets, The sheets shall be fixed using self drilling of self tapping screws ( contractor`s scope) of size 5.5 X 55 mm with EPDM seal or with polymer coated J or L hooks, bolts and nuts 8mm dia. with bitumen and GI limpet washers or with GI limpet washer filled with white lead complete upto any pitch in horizontal or vertical or curved surfaces as required. scope includes necessary fabrication work consisting of supports, purlins, rafters etc if requiredd from available material (material will be provided by ARAI). including shifting of material (pre coated sheets & structural steel ) inside ARAI premises with lead of 300 meters, cutting, bending, welding of section, one coat of primer & two coats of synthetic enamel paint etc. complete. Fabrication must be done as per requirement to meet stability of structure. Scope also includes sealing the holes in GI precoated sheets, tools & tackles and necessar scaffolding work. Measurement : Measurment will be given on Sqm area of precoated sheets only; laps, wastage , painting of anto corrosive paint, fabrication work, scaffolding, leakproofing, shifting will not be paid separately.

Providing & applying Kemprol waterproofing on any surface using V210 chemical and all other necessary material and as per manufacturers specification including with 10 years warrantee , also includes all required tool & tackles, scaffolding & curing at any height and any location etc. complete. . Kamprol waterproofing for Expansion joints,Sheet junctions and gable ends, Drains, Vent Pipes,Gutter ends etc. at all ther required joints

Removing of existing tubo vent from position for replacement of roofing sheet and refixing after replacement of rofing sheet with new GI precoated sheet. Providing and fixing in position natural ventilation exhausts ( Turbovent) of approved make , of 600mm dia throat size ,in anodized aluminium casing, fully water proof , with design discharge capacity of min.2000 cub m./hour at wind speed of 8km/hr , over roofing using matching Corrugated aluminium profiled sheet as base, including vortex blades of Industrial grade aluminium 0.5mm thick,with minimum 42 vens , with Turbine shaft, bracings , bearing housing etc. in SS 304, including maintainance free Ball beraings double shielded Deep Grove, with whole assembly micro balanced to avoid viberations ,and designed to sustain wind speeds of 140 kmph ,and able to operate at minimum wind speeds of 3 km/hr, including fixtures like self drilling self tapping screws with EPDM washers including stitching as required in complete line and level , and closing all the gaps using apprpriate sealing material and coving to ensure water tight installation, with minimum 10 years warranty etc. complete,

Supply of Skilled labour- Supplying, supervising departmental workers as per requirement on man-days basis including cost of tools, tackles, etc.

Unskilled labours:- Supplying, supervising departmental workers as per requirement on man-days basis including cost of tools, tackles, etc