REPAIR / REPLACEMENT OF FENCING OF VARIOUS LOCATIONS AND REPAIR TO FIRING RANGE AND ARMOURY OF TECHNICAL AREA UNDER GE (AF) BARRACKPORE

Amount

Excavating over areas in existing material (sand with saw dust) n exc 1.5 m deep over the sloped portion etc complete all as specified and directed.

Material and labour for screening of excavated material on site of the work (material obtained from item No. 1.00) complete all as specified and directed. Note: Shells retained during screening shall be deposited with local Air Force authorities.

Labour only for laying of screened material over the sloped portion of the shooting butt complete all as specified and directed.

Removing excavated material (retained material from item No. 2) to a distance exc.1.50 km but n exc. 5 km and depositing where directed at a level n exc. 1.5m above the starting point complete all as specified and directed.

Supply only river red sand as approved by GE complete all as specified and directed.

Supply only saw dust as approved by GE complete all as specified and directed.

Labour only for mixing of sand and saw dust in equal proportion and laying the same over slopped portion of the shooting butt etc. complete all as specified and directed.

Supply and stacking HDPE bags filled with good quality river red sand and mouth of bag shall be stiched with nylon thread and stacked upto 7.00 m height complete all as specified and directed. Note: Quoted rate of above item shall be inclusive of river red sand and nothing extra shall be admissible on this account separately.

Dismantling of posts or struts (wood, steel or RCC of any section) embedded in concrete, brick work masonry etc. any section, including taking out embedded portion and making good disturbed ground including removing of debris from site complete all as specified and directed.

Excavation in post holes (or similar holes) each n.exc 0.5 cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around in layers not exceeding 25 cm, watering and removing surplus soil to a distance n.exc 50m and making good disturbed surface in soft/loose soil complete all as specified and directed.

Supply and fix mild steel works as in posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed.

Material and labour for PCC (1:4:8) type D2 (using 40 mm graded stone aggregate ) as in foundation of post holes, filling and mass concrete complete all as specified and directed.

Dismantling of barbed wire fencing/ concertina coil including removing of debris from site complete all as specified and directed.

Supply and fix galvanised 2 strand, steel barbed wire 2.24mm dia. barbed with 2mm dia. barbs at 75mm spacings and straining and fixing to any type of standard rails straining bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. complete all as specified and directed. NOTE: Each line wire to be measured for payment.

Dismantling of fencing wire mesh of chain link or any type including removing of debris from site complete all as specified and directed.

Supply only chain link MS galvanisd fencing of any size complete all as specified and directed. Note:- Weight of chain link fence shall be ascertained through BOO as directed by GE.

Fixing only chain link fencing including line wire, any mesh, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provission of binding wires complete all as specified and directed.

Material and labour for mild steel round bars 10 mm dia as in tie bar of chain link fencing conforming to Fe-410-W (Gde-E-250) quality-A complete all as specified and directed.

Supply and fix concertina coil (CONSEC ZAL Super Razor punched barb tape (SRPBT)) aluminum base helix coil with and including necessary G.I fixing clips for securing complete all as specified and directed with following specification:- (i) Dia of coil (unstretched) - 610 mm (ii) No of Spirals - 6 spirals per per RM (iii) Weight of each coil with hessian pack - 8.00 Kg(±0.5). (iv) Central core wire :- Made from 2.60 mm dia G.I – High Tensile Wire as per IS-4454 galvanised as per IS-2629 . (v) Razor Punched Strip:- Razor punched tape is CONSEC-ZAL steel comprising of Aluminium base with zinc alloy @ 150 gm/ m2 conforming to ASTM A-792/A-792M with additional primer treatment of Epoxy/ Polyurethane & Final Paint Top coat of Caulifield green shade (BSL 139) by Hot Dipping process. Note:- Running length of the wall shall be measured for payment purpose.

Restraining, resecuring incl. making good staples etc to existing Galvanised steel barbed wire of any type and description straining and fixing to any type of standard rails straining bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. complete all as specified and directed. NOTE: Each line wire to be measured for payment.

Excavation in trenches n. exc 1.5 m wide and n. exc 1.5 m in depth for foundation etc or for cess well cess pits man holes pier holes etc n.exc 10 sqm on plan n.exc 1.5 m in depth and getting out soft/loose soil complete all as specified and directed.

Material and labour for PCC (1:3:6) type C2 (using 40 mm graded stone aggregate ) as in foundation, filling and mass concrete complete all as specified and directed.

Material and labour for RCC (1:2:4) (nominal mix) type B-1 (using 20mm graded stone aggregate) as in foundations, including rafts, footings, foundation beams, plinth beams; bases for columns, etc.; basement slabs, under-reamed piles and mass concrete complete all as specified and directed.

Materials and labour for form work to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter with rough finished flat surfaces of concrete complete all as specified and directed.

Materials and labour for form work to sides of pillars, posts, struts, piers, columns and stanchions with rough finished square, rectangular or polygonal surface of concrete complete all as specified and directed.

Material and labour for mild steel TMT bars 10mm dia and over, 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 0.90mm dia or securing with clips complete all as specified and directed.

All as per item No 26.00 above but 6mm dia and over upto and including 10mm dia in stirrups, spacers and binders and .-ditto-.

Material and labour for preparation of new steel surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed.

Supply and fix structural steel framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering, doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings and hanging, also fastening and fixing conforming to Fe-290 (Gde E-165 quality-A complete all as specified and directed.

Materials and labour for cutting holes in brick walls bulit in cement mortar for inserting holdfasts and making good dismantled portion in cement concrete (1:2:4) type B-1 (using 20 mm graded stone aggregate ) as required depth of embedded portion of holdfasts or lugs measured from the face of the jamb into the wall exc. half brick but not exc. one brick complete all as specified and directed.

Demolition of brick work or stone boulder masonry, built in cement mortar including all quoins, arches, pillars etc. including removing of unserviciable material from site complete all as specified and directed.

Material and labour for brick work with sub class `B` bricks, old size, straight or curved on plan exc 6m mean radius built in cement mortar (1:6) complete all as specified and as directed.

Taking down cement plaster of any description built in cement mortar on brick or stone walls etc including racking out joints, hacking for key, scrubbing down with water etc. and removing debrish from site complete all as specified and directed.

Material and labour for 10mm thick rendering on fair faces of brick work or concrete surfaces in cement mortar (1:6) and finish the surfaces even and smooth without using extra cement as in wall complete all as specified and directed.

Material and labour for 15mm thick rendering in cement mortar (1:4) on fair faces of brick work or concrete surfaces with using water proofing coumpound (WPC) @ 200ml per bag (50 Kg) of cement or as per manufacturers instruction and finish the surfaces even and smooth without using extra cement as in wall complete all as specified and directed. Note : WPC will be measured and paid separately under respective item.

Material and labour for 15mm thick rendering in cement mortar (1:4) on fair faces of brick work or concrete surfaces and finish the surfaces even and smooth without using extra cement as in wall complete all as specified and directed.

Material and labour for 5mm thick rendering on concrete surfaces in cement mortar (1:3) and finish the surfaces even and smooth without using extra cement as in ceiling complete all as specified and directed.

Supply only liquid water proofing compound complete all as specified and directed.

Material and labour for preparation of new plastered surfaces of walls and applying two coats of acrylic washable distemper over a coat of alkali resistance primer complete all as specified and directed.

Materials and labour for preparation of new plastered surfaces of walls and applying two coats of cement base paint over a coat of alkali resistance primer complete all as specified and directed.

Material and labour for preparation of new plastered surfaces of ceiling and applying three coat of white wash complete all as specified and directed.

Material and labour for cutting out cracks to V-section grooves on external surface of wall/ roof or terracing up to 25mm depth and 25mm width and filled with multi purpose binder (MPB) crack filler and rendering the surface in cement mortor (1:3) complete all as specified and directed. Note:- The cost of scaffolding/staging shall be included in the quoted rates upto four storey height bldgs.

Providing and applying plaster of paris putty of 2 mm thickness over plastered surface to prepare the surface even and smooth complete all as specified and directed.

Dismantling of stone slabs and tiles laid bedded and pointed in any mortar of any description or thickness in floors, aprons etc. complete all as specified and directed.

Material and labour for 75mm thick PCC (1:3:6), type C-2 (using 40 mm graded stone aggregate) as in sub base of floor complete all as specified and directed.

Material and labour for providing and laying 60mm thick factory made chamfered edge cement concrete paver block of M-35 grade with approved colour, design & pattern as in footparth, parks, lawns, drive ways or light traffic parking etc., of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over and including 50mm thick compacted bed of fine sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand complete all as specified and directed.

ZENITH CONSTRUCTION (BID ID -3463378)

M/S. B. N. CHATTERJEE (BID ID -3463769)

M/S. NARSINGH ENGINEERING (BID ID -3464510)

PIONEER (BID ID -3464800)

BARRACKPORE ENTERPRISE (BID ID -3464579)