PROVISION OF RCC RETAINING WALL NEAR RECENTLY CONSTRUCTED TYPE V DEFICIENT MARRIED ACCOMMODATION AT RESIDENTIAL AREA OF NSTL VISAKHAPATNAM UNDER AGE I RND NSTL VISKAHAPATNAM

Rough excavation not exceeding 1.5 m deep and getting out in hard / dense soil, complete all as specified and directed.

Earth work in excavation in any kind of soil by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil within a lead of 50 m complete all as specified and directed.

Excavation work in Ordinary Rock by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils within a lead of 50 m complete all as specified and directed.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m complete all as specified and directed.

Removing excavated rock / soil to a distance exceeding 250m but not exceeding 500m and depositing where directed at a level not exceeding 1.50m above the starting point, complete all as specified and directed.

Providing and laying cement concrete 1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources) complete all as specified and directed.

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland / Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength including pumping of concrete to site of laying, curing, carriage for all leads but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge for the concrete of M30 grade with minimum cement content of 350 kg /cum as in foundation and all work upto plinth level complete all as specified and directed.

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland / Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge for the concrete of M30 grade with minimum cement content of 350 kg /cum as in Retaining Wall and all work above plinth level complete all as specified and directed.

Centering and shuttering (including strutting, propping etc., and removal) for rough finished flat sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams pile caps, grade beams and similar work vertical or to batter, complete all as specified and directed.

Centering and shuttering (including strutting, propping etc., and removal) for fair finish to faces of retaing walls abutments and like complete all as specified and directed.

Material and Labour for Mild steel Thermo-Mechanically Treated bars of grade Fe-500D or more Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level complete all as specified and directed.

Material and Labour for Mild steel Thermo-Mechanically Treated bars of grade Fe-500D or more Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level complete all as specified and directed.

Providing and fixing on wall face unplasticised single socketed Rigid PVC rain water pipes of 110mm dia conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion complete all as specified and directed.

Material and Labour for Structural steel work in single section as in Fencing post, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer complete all as specified and directed.

Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm Made of G.I. wire of dia 4 mm PVC coated to achieve outer dia not less than 5 mm in required colour and shade including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete all as specified and directed.

Material and Labour for Mild steel TMT round bars including straightening, cutting, bending, placing in position and binding all complete as in fencing complete all as specified and directed.

Material and Labour for Painting two or more coats on new work with black anti-corrosive bitumastic paint of approved brand and manufacture to give an even shade complete all as specified and directed.

Material and Labour for applying two coats of synthetic enamel paint on newly plastered surface of wall over a coat of primer paint, shade / colour of paint and primer shall be as approved by GE (including preparation of surfaces) complete all as specified and directed.

Material and Labour for Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal length of bolt exc 5cm but not exc 10cm diameter of neck exc 5mm but nut exc 10mm complete all as specified and directed.

Material and Labour for Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 of Cement mortar 1:4 (1 cement : 4 coarse sand) in superstructure above plinth level up to floor V level in all shapes and sizes complete all as specified and directed.

Material and Labour for laying 12 mm cement plaster of mix : 1:6 (1 cement: 6 fine sand) complete all as specified and directed.

Material and Labour for laying cement concrete of 1:1½:3 (1 cement : 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing complete all as specified and directed.

Material and Labour for laying of 300 mm dia non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc., complete all as specified and directed.

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