Comprehensive Sewerage Scheme for Govt. Dental College Srinagar including Construction of 0.35 MLD STP

(Part-A) Civil Part : - Earth work in excavation in trenches by mechanical means for laying of pipes and construction of manholes in all kinds of soils, rocks, incl. picking of metalled road with Bituminous or tar macadam road surface, tiled devri stone, floors etc. the excavation job will incl all leads, lifts, dressing of sides, ramming of bottoms, dewatering caused by any means to any extent, barackeding of roads, providing caution boards, night lamps and watch and ward at site. The reusable excavated material is to be back filled in trenches in layers not exceeding 20 cm in depth consolditaing each layer by ramming/watering & the surplus excavated material is to be disposed off within 10km or as directed by Engineer In charge (Complete job) all told.

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

Close timbering in trenches including strutting, shoring and packing cavities (wherever required) complete. (Measurements to be taken of the face area timbered) Depth not exceeding 1.5 m

Depth exceeding 1.5 m but not exceeding 3 m

Supply & laying of stone soling in horizontal on level.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering, All work up to plinth level.

1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size)

1:2:4 (1 cement : 2 Coarse sand : 4 graded stone agg. 20mm nominal size) (crushed)

Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centering, shuttering, finishing and reinforcement. All work up to plinth level.

1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

Providing & Laying to level & slope, with proper grade pipes of Class NP3/NP4 of following internal dia & grouting the pipe joints with cement slurry 1: 2 mix (1 cement: 2 fine sand) and also sealing the pipe joints with fixing of Rubber Gaskets incl. Cost of cement, sand, Rubber gaskets and RCC pipes incl. Testing of joints & all carriages of pipes upto site of work (Complete job).

300mm dia (NP3)

200mm dia (NP3)

Reinforcement for RCC work incl. Straightening cutting, bending, placing in position and binding all complete (Thermo Mechanically Treated Bars).

Centering and shuttering incl. Strutting, propping etc and removal of form work for:-

Suspended floors, roofs, landings, balconies and access platform.

Walls (any thickness) incl. Attached pilasters buttresses, plinth and string courses.

Edges of slab and breaks in floors in walls (above 20Cm wide).

Providing & Fixing of Polycrate Manholes covers & frame including all safe carriages upto site of work (Complete Job).

Providing, Laying and Spreading of granular Sub Base in trenches in uniform layers including dressing, watering, ramming etc and carriage by tippers to site of work with all leads and lifts (Complete Job).

Providing orange colour safety foot rest of minimum 6mm thick plastic encapsulated as per IS : 10910 on 12mm dia steel bar conforming to IS : 1786 having minimum cross section as 23 mmx25 mm and over all minimum length 263mm and width as 165mm with minimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture’s permanent identification mark to be visible even after fixing. including fixing in manholes with 30x20x15 cm cement concrete block 1:3:6 ( 1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) complete as per design.

Providing & laying House connections with the following PVC accessories of ISI make (Prince-B Type) incl. all carriages (Complete Job).

PVC Pipe 150mm dia

Construction of Cement Concrete chambers of internal dimensions 450mm × 450mm in cement concrete 1: 2: 4 (1 cement: 2 coarse sand: 4 graded stone agg. 20mm nominal size) with necessary excavation foundation concrete 1: 2: 4 over lean concrete 1: 4: 8 inside plastering 12mm thick in (1: 4) mix with floating coat of neat cement with C. I. Cover with frame with all carriages (Complete Job).

Provision for repair and restoration of under ground utilities like water supply pipes (G.I, HDPE, Cast Iron,MS Pipe etc) Telephone Cables and optic fibre etc, inlcuding all accessories required to rectify the damage caused to its original position in all respects including all carriages all told to be paid as per actual.

Carriage of Materials by Mechanical Transport from Source to site of work: -

Stone soling from Athwajan Avg. 12kms

Stone Agg. 40mm and above from Athwajan Avg. 12kms.

Stone Agg. Below 40mm from Athwajan Avg. 12kms.

Sand from Ganderbal Avg. 20kms

Part - B: Construction of 0.35 MLD STP Based on SBR Technogy along with 6 months free trial run period on EPC mode as per Annexure A, B, C & D which are enclosed.

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