REPAIR TO HANGER , ROLLING SHUTTER AND NISHAN HUT IN TECH AREA, 140 MC DET, AFCNWP, IFS, CPRU AT AF STN PALAM UNDER GE (AF) PALAM DELHI CANTT-10

Amount

Taking out the bottom pulleys of dia Approx.200 mm along with nuts, bolts etc of sliding shutter at both sides of hanger and M&L for new pulleys, nuts, bolts bearing etc including assembling and fixing in position complete all as specified and as directed. Note:- Bearing shall be measured and paid separately under respective item of BOQ.

All all as per item No 1 above but roller of size 100mm at top height complete all as specified and as directed.

Supply only bearing in wheel/roller of size 5205 complete all as specified and as directed.

S&F in repair mild steel work as in stopper including provn of nuts, bolts and necessary welding to be fixed at top of door shutter at height approx 24' to 30' to resist the door from both side of channel complete all as specified and as directed.

Repair to existing break system including replacement of defective tower bolts for the locking system including necessary arrangement for the lock in the rails as required complete all as specified and as directed.

S&F in repair 16mm dia MS nut and bolt with check nut and splitted pin 170mm long rollers at top of shutters complete all as specified and as directed.

Description all as per item No. 6.00 above but 100mm long in different locations complete all as specified and as directed.

Description all as per item No. 6.00 above but 75mm long in different locations complete all as specified and as directed.

Dismantling of unservicable chain fixed with wheel or handle for lifting and moving of steel door shutter of hangers and M&L for new chain 25 mm wide and weight not less than 0.9 Kg per RM complete all as specified and as directed.

Dismantling of unservicable chain fixed with wheel or handle for lifting and moving of steel door shutter of hangers and M&L for new chain 40 mm wide and weight not less than 1.50 Kg per RM complete all as specified and as directed.

S&F in repair 100 mm wide flash strip on the cracks, holes or leaking joints of CGI/Plain sheets in roofs of hangers complete all as specified and as directed.

S&F in repair L-type or J-type cranked MS hooks bolts and washer in hanger roof complete all as specified and as directed

Taking down old rolling shutter of any description and any position of any size complete all as specified and as directed.

S&F 1.00mm thick steel rolling shutter with ball bearing for rolling including top cover, anchoring rod, hasp and staple and one shop coat of primer; erected in position etc complete; push pull or manual type complete all as specified and as directed.

Fixing only in repair ultra thin nylon netting of adequate tensile strength fixed with reusable hooks to facilitate painting fixed to structural members of hanger ceiling to provide complete bird proofing inside hanger including PVC made to shape bird landing arrester 120mm height complete all as specified and as directed.

M&L in repair welding exc 2.5cm but n.exc 5cm in length, thickness of metal to be welded not exc 6mm thick complete all as specified and as directed.

Description all as per ser item No 16.00 above but thickness of welding exc 6 cm but n.exc 9cm complete all as specified and as directed.

M&L for rolled mild steel as in plates, girders or single stanchions, built of one beam or channel section with flauge plates, angle brackets, cleats and others connection Fe-410-W (Gde E-250 quility A) complete all as specified and as directed.

M&L for plain mild steel plate, channels, square cut ot notched (ordinary and counter sunk, forming holes without any attachment Fe-410-W (Gde E-250 quility A ) complete all as specified and as directed.

M&L for framed mild steel work as in door and gates of angle or other section with gusset plates, rails, braces etc including drilling, welding complete all as specified and as directed.

M&L for roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, Tee, Angle, Channel or flat sections), Fe -290 (Gde E 165) including distance pieces, cleats etc. complete all as specified and as directed.

Hacking out old broken glass (any thickness, size, quality or description) from metal frames including puching or drilling out old glazing pins/spring clips complete all as specified and as directed.

S&F for rough cast wired glass of 6.4mm thick glazing with oil putty exc 0.5 Sqm but not exc 0.75 Sqm each pane at any height complete all as specified and as directed.

M&L for two coats of synthetic enamel paint over a coat of red oxide primer on newly steel surface over 10cm width or girth of any description including necessary preparation of surface complete all as specified and as directed.

M&L for one coat of synthetic enamel paint on old steel surface over 10cm width or girth of any description including necessary preparation of surface complete all as specified and as directed.

M&L for two coats of aluminium paint over a coat of red oxide primer on newly steel surface over 10cm width or girth of any description including necessary preparation of surface complete all as specified and as directed.

M&L for one coat of aluminium paint on old steel surface over 10cm width or girth of any description including necessary preparation of surface complete all as specified and as directed.

Dismantling old rusted CGI sheets from roof, gate and walls of the hanger complete all as specified and as directed.

S&F 1mm thick plain galvanised, mild steel sheeting as in roof, wall cladding, ridges, hips, valley gutters, drip and straight flashings with grade of zinc coating 120gm/ sqm with nut, bolt etc complete all as specified and as directed.

S&F galvanised corrugated mild steel sheeting of thickness 0.63 mm with two corrugations side lap, fixed with coach screw and washers in roofs, walls etc with grade of zinc coating 120gm/ sqm complete all as specified and as directed.

S&F Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and as directed.

S&F plain black MS sheet of thickness 1.25mm in wall cladding, steel gates, or in similar work complete all as specified and as directed.

M&L in replacement of 2mm thick fibre reinforced translucent corrugated sheeting white colour with two corrugation side lap fixed with L-type or J-hook inclding bitumen washers in roof of hangers complete all as specified and as directed.

Taking down cement plaster on brick or stone walls etc including racking out joints, hacking for key, scrubbing down with water etc complete all as specified and as directed.

M&L for rendering 15mm thick on fair faces of brick work or concrete surfaces with cement plaster (1:6), finished even and smooth complete all as specified and as directed.

M&L for rendering 15mm thick on fair faces of brick work or concrete surfaces with cement plaster (1:4), finished even and fair without using extra cement including mixing of water proofing compound complete all as specified and as directed.

M&L for preparation of newly plastered surface of wall and applying two coats of oil emulsion distemper over a coat of primer complete all as specified and as directed.

M&L for preparation of newly plastered surface of wall and applying two coats of exterior emulsion paint over 2mm (min) thickness of cement base wall care putty complete all as specified and as directed.

Dismantling of wrought iron or steel work of any discription and in any position complete all as specified and as directed.

M&L for preparation of existing concrete surfaces and applying 5 mm thick epoxy polyurethane system including cleaning of surface from dust, dirt, moisture & all foreign materials from the floor. All floors to be cleared by means of scrubber. Acid itching shall be done to the floor followed by alkaline wash & then the surface shall be cleaned by potable water wash. After that the floor shall be cleaned by using solvent/degrease cleaner to remove residues for floor cleaning all mechanized equipment shall be used like scrubber, sanders, hot blowers, vaccum cleaners, moisture test machine complete all as specified and as directed.

M&L for applying primer of two component, solvent-free, epoxy-polymido amine system having a volumetric ratio of mixing of 2:1. Mixing resin and hardener by weight shall not be allowed. The primer shall be applied @ coverage of 5 Sqm per litre, yielding a DFT of 200 microns complete all as specified and as directed.

M&L for epoxy based self leveling screed having a minimum thickness of 3800 microns. The self leveling screed shall consist of a low viscous epoxy-amine cured system and graded aggregates. The epoxy system shall have a columetric ratio of mixing of resin in (2:1) ratio. The aggregates shall be added in the ratio of (1:3) or (1:3:5). The screed shall have compressive strength of minimum 70 N/mm2. The layer shall be desecrated by spike roller to dislodge air pockets.

M&L for applying EPU based self levelling top coat. The top coat shall be of EPU type where urethane linkages are infused in to epoxy matrix, so as to enhance wear resistance, flexibility and impact resistance. EPU top coat shall have a columetric ratio of mixing of (2:1). No filler or aggregates are added in the topcoat at the site, as the addition of fillers will reduce the flexibility. It should yield a thickness of 1000 microns. The volumetric mixing ratio will be (2:1). The compressive strength of the top coat shall be in the range of 60-70 MPa, Tensile strength will be 15-20 MPa, Elongation in the range of 45-50% and flexural strength in the range of 40-50 MPa. Top coat wear resistance (weight loss)/ Abraission Resistance<37 mg.

Taking down of de-railed hanger door gates of any size by machenical means i.e. cranes/scafolding/safety measures and re-fixing in same opening after making necessary repair for smooth movement of rolling shutter on rail and ISMB etc complete all as specified and directed Note : Hanger doors shutter shall be hoisted in same opening after necessary repair work. the item of repair shall be measured and paid seperately in items mentioned here-in-after.

Taking down rolling shutter of any size for repairing/replacement to curtain strips, including oiling, greasing of guide channels, top hood cover, gear mechenism etc and refixing of shutter in same position to entire satisfaction of Engr-in-Charge complete all as specified and as directed. (Note - MS Sheet curtain strips shall be measured and paid seperately)

S&F for MS sheet 1mm thick 75mm wide for curtain strips made to shape as to match with exising shutter complete all as specified and as directed.

Reveting of galavanised sheets in roof and wall with Rivets/ MS screws suitable for sheets as per existing pattern by drilling holes in structural members and rutting, chamfering, filling walls properly in the entire satisfaction of Engr-in-Charge.

S&F for Pre- painted galvalume aluminum zinc coating GI based plain steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and as directed.

M&L for providing and laying self leveling elasto-meric concrete in any depth and any width as required for repair to cracks, corner spawling, pot holes, damaged edges of construction/ dummy/ expansion joints of cement concrete pavement/ slabs of Runway/ Taxi-track as required and finishing by means of trowels and flats alongwith application of a coat of special primer for elastomeric concrete after preparation of surface by removal of all loose material by disc cutter or by chiselling and cleaning by using air blower including all consumable materials, tools, labour etc including removal of all the spoils/ loose materials from site to outside MoD land complete all as specified and directed.

S&F in repair Neopren solid Rubber strip (18/20 cm wide and 4mm thick) flexible and smooth finish of any colour fixed with 25mm wide and 2.5mm thick aluminium strips on side of the Hanger doors on horizontal/ vertical surfaces including rivets complete all as directed. NOTE FOR ITEM NO 1 TO 50 : The work shall be carried out in HANGERS of Appx ht 40 feet and quoted rates shall be included for the following provisions and nothing extra shall be paid on these accounts: (a) Arrangement of crane, lifter, safety precaution, scafolding,clamping hook, life jacket and rope manila etc complete requird at site. (b) Contractor will provide Ambulance/First Aid Box reqd during Hanger work. (c) Activity in Hanger will be completed within 12 hrs time frame .

High Tech Metal India

Shiv Shankar Nirman Co.