REPAIR / MAINT OF MISC B/R WORKS IN ADM BLDGS, CERTAIN OFFICES AND OTM ACCN AT NIWARU MIL STN

Taking down chowkats or frames not exceeding 1.5 Sqm each with shutter (without taking off shutter from the frame) and removing from site complete all as specified and directed.

Taking down chowkats or frames exceeding 1.5 Sqm but not exceeding 4 Sqm each with shutter (without taking off shutter from the frame) and removing from site complete all as specified and directed.

S&F Pressed steel frames of size 105 mm x 60 mm made of 1.25mm thick MS sheet for doors with one or more rebates including necessary fixing lugs, hinges, lock strike plates complete including one shop coat of red oxide primer, providing mild steel 6 mm dia threshold bar and filling hollow of frame with plain cement concrete Type C-0, 1:3:6 (using 12.5 mm graded crushed stone aggregate) and making good as per existing complete all as specified and as directed.

,---ditto--- all as per item No. 3 above but frame of size 165 x 60mm complete all as specified and as directed.

M&L Bands, straps, supports or stays for rainwater, ventilating pipes, including bolts, if required, hooks (stay), heavy, for large gates; hook and pintle hinges, large hasps and staples; chains, hand made sliding bolts; clamps, hold fasts, wall ties; plate washers and similar small articles conforming to Fe-290 Gde-E-165 complete all as specified and as directed

M&L for Cutting holes in brick walls built in cement mortar or cement lime mortar and stone walls built in lime mortar for inserting holdfasts and making good dismantled portion in cement mortar 1:3 or cement concrete 1:2:4 Type B-1 as required exceeding half brick but not exceeding one brick complete all as specified and as directed

S & F 35mm thick factory made plain framed, panelled door shutters kiln seasoned and chemically pressure treated second class, hardwood (two panels) with lock rail and panel of 9mm thick BWP commercial marine grade ply wood bonded with high quality liquid phenol formal dehyde synthetic resin adhesive confirming to IS-710. The size of rails and style shall be as per IS-1003(Part I) complete as directed and specified.

S & F 35mm thick factory made second class hardwood glazed and skelton door shutter kiln seasoned and chemically treated, open rebated and prepared to receive glass/ gauge etc (without sash bars), edges of framing plain, chamfered or rounded, fitted with cut and mitred beads for securing glass, etc complete. The size of members of shutters shall be as specified in MES SSR Part-I complete as directed and specified.

S&F Factory made single extruded WPC (Wood Polymer Composite) solid door/ window/ Ceosetory windows & other Frames/ Chowkhat of size 50 x 100 mm comprising of virgin PVC polymer of K value 58-60 (Suspension Grade), calcium carbonate and natural fibers (wood powder/ rice husk/ wheat husk) and non toxic additives (maximum toxicity index of 12 for 100 gms) fabricated with miter joints after applying PVC solvent cement and screwed with full body threaded star headed SS screws having minimum frame density of 750 kg/ cum, screw withdrawal strength of 2200 N (Face) & 1100 N (Edge), minimum compressive strength of 58 N/mm2 , modules of elasticity 900 N/mm2 and resistance to spread of flame of Class A category with property of being termite/borer proof, water/ moisture proof and fire retardant and fixed in position with MS hold fast/ lugs/SS dash fasteners of required dia and length complete as per direction of Engineer-in-Charge. Note: For WPC solid door/window frames, minus 5mm tolerance in dimension i.e. depth and width of profile shall be acceptable. Variation in profile dimensions on plus side shall be acceptable but no extra payment on this account shall be made.

M&L for preparing surfaces of small steel articles such as hold fasts etc area not exceeding 0.10 Sqm each and treating with tar or coal tar black paint complete as directed and specified.