PROVISION OF COVER SHED AND APPROACH PATH IN CERTAIN LOCATION AT MAYABUNDER UNDER GE (S) DIGLIPUR

Amount

Excavating in post holes (or similar holes) each n exc 0.5 cu. m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm in Hard/ dense soil complete all as specified and as directed.

M&L for PCC type D2 1:4:8 (using 40mm graded granite stone aggregate) in foundation, filling and mass concrete complete all as specified and as directed.

Providing, cement concrete Type B-2 1:2:4 (40mm graded aggregate) in walls or retaining walls, any thickness, size or shape including pilasters, buttresses columns, pillars, boundary pillars and posts (including caps and bases) complete all as specified and as directed.

S&F Plate girder or single stanchions, built up of one beam or channel section with flange plates, caps, bases. splices, angle brackets, cleats and other connections made out of Fe 410-W (Gde E-250 quality A) all as complete all as specified and as directed.

S&F Roof trusses (framed), trussed, purloins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats etc made out of Fe 410-W (Gde E-250 quality A) 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 Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any 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 Preparation of new steel surfaces of any description applying two coats of synthetic enamel paint over a coat of red oxide primer, over 10cm in width or girth, not otherwise described complete all as specified and as directed.

Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out hard/ dense soil complete all as specified and as directed.

M&L for Hardcore of gauge n exc. 63 mm, broken stone or boulders deposited, spread and leveled in layers n exc.15 cm thick, watered and rammed to a true surface complete all as specified and as directed.

M&L for PCC 1:3:6 type C2 using 40mm graded stone aggregate as in sub bases 100 mm thick complete all as specified and as directed.

M&L for Sand filling under floors 50 mm thick in foundations including watering and consolidation complete all as specified and as directed.

M&L for 60mm thickness, M-35 Grade rubber molded precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 with grey cement and pigment, laid over sand cushioning complete all as specified and as directed.

M&L for Pre-cast cement concrete block masonry type C1 1:3:6 (20 mm graded stone aggregate) with solid blocks, exc. 10 cm in width and setting in mortar 1:6 complete all as specified and as directed.

Excavation over areas n.exc. 1.5m deep and getting out in hard/dense soil complete all as specified and as directed.

M&L for PCC 1:2:4, Type B1, 100 mm thick using 20mm graded stone aggregate, concrete surface furnished even and smooth without using extra cement as in hard standing complete all as specified and as directed.

M&L for Formwork to staircases flat with sloping or stepped soffits including risers and stringers complete all as specified and directed.

M&L for RCC M-30 mix in Chula hoods; stairways (except spiral staircases) including steps (square or spandrel), string pieces, carriages, etc., complete, any section straight or winding etc complete all as specified and as directed.

M&L, TMT bars 10mm dia and over, as in reinforcement cut to length, bent to shape required including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia complete all as specified and as directed.

Designing, providing, installing and fixing factory finished custom designed cold form Light Gauge Steel Framed super structure comprising of steel wall panel, trusses, purloins etc manufactured out of minimum 0.75 mm thick steel sheet as per design requirements . The Steel sheet shall be galvanized (AZ-150 gms Aluminum Zinc Alloy coated steel having minimum yield strength 300-550 Mpa) conforming to AISI specifications and IBC 2009 for cold formed steel framing and construction and also as per 18:875-1987, ISO 800-1984 and 18:801-1975.

Continious discripition of the following for Serial Item No. 20:- The wind load shall be as per provisions of IS 875(part-lll). LGSFS frame shall be designed as per IS: 801 using commercially available software such as Frame CAD Pro-11 .7/STAAD PRO V8i/ArchitekV2 .5.16/Revit architecture-2011 or equivalent. Proper usage of Connection Accessories like Heavy Duty Tension Ties, Light Duty Hold-ons, Twist Straps (to connect truss with wall frames), Strong Tie, Tie Rod , H-Brackets, Boxing Sections, L -Shaped Angles for better structural stability. The framing section shall be cold form C-type having minimum web depth 89 mm x 39mm flange x 11 mm lip in required length as per structural design requirement duly punched with dimple/slot at required locations as per approved drawings . The slots will be along center line of webs and shall be spaced minimum 250mm away from both ends of the member. The frame can be supplied in panelized or knock down condition in specific dimensions and fastened with screws extending through the steel beyond by minimum of three exposed threads. All self-drilling tapping screws for joining the members shall have a Type II coating in accordance with ASTM 8633(13) or equivalent corrosion protection of gauge 10 & 12, TPI 16 and 8 of length 20mm. The frames shall be fixed to RCC slab or Tie beam over Neoprene rubber using self-expanding carbon steel anchor bolt of dia as per approved drawings and design subject to minimum 12 mm diameter and 121 mm length conforming to AISI 304 and 316 at 500mm c/c with minimum embedment of 1OOmm in RCC (RCC to be paid separately) and located not more than 300mm from corners or termination of bottom tracks complete in all respects . The item also includes the submission of stability reports duly examined and issued by any NIT/IIT. The rate includes the concept design, detailed design, fabrication of sections, transportation, installation and all required fixing arrangement at site as described above.

S&F stainless steel letters of suitable size in the entrance of the main gate fixed to wall paneling at height of 8m with fasteners and epoxy resin complete all as specified and directed.

M&L for Rendering 15mm thick using CM 1:4 on fair faces of brick work or concrete surfaces and making the surface even and smooth (without using extra cement) complete all as specified and directed.

Material & Labour for applying two or more coats of 100% Premium acrylic emulsion paint over new surfaces having VOC less than 50 gm/liter and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 liter/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 liter/ 10 sqm complete all as specified and as directed.

Binod Hawlader (BID ID -3140122)

SUMAN (BID ID -3141770)

MOHAMMED SAFIQUE (BID ID -3148691)