Augmentation of storm water drainage system by providing and laying of 450mm 18 inch i/d RCC NP-2 pipeline, construction of new machine holes and road gullies near H.No.107 to 132, Sector 28-A, Chandigarh for smooth disposal of rain water

Extra cutting through metalled road and their foundation including sorting screening and stacking at the site complete in all respects. (NSI)

Earth work in excavation 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 anddisposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.(DSR No. 2.8.1)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:5:10 (1 cement : 5 manufactured sand derived from recycled concrete Aggregate (RCA): 10 graded stone aggregate 40 mm nominal size Recycled aggregate (RA). (DSR No. 4.1.10 A)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:4 (1 cement : 4 coarse sand) (DSR No. 6.1.1)

12 mm cement plaster finished with a floating coat of neat cement of mix 1:4 (1 cement: 4 fine sand). (DSR No. 13.7.2)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 Cement : 2 coarse sand i/c manufactured sand derived from Recycled concrete Aggregate (RCA) upto 25% : 4 graded stone aggregate 40 mm nominal size Recycled concrete Aggregate (RCA) upto 25%). (NSI based on DSR No. 4.1.4)

Providing orange colour safety foot rest of minimum 6mm brick plastic encapsulated as per IS : 10910 on 12 mm dia steel bar conforming to IS : 1786 having minimum cross section as 23mmx25mm and over all minimum length 263mm and width as 165 with minimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projection on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specification and having manufacture’s permanent identification mark to be visible even after fixing including fixing manholes with 30x20x15 cm cement concrete back 1:3:6 (1 cement : 3 coarse sand :6 graded stone aggregate 20 mm nominal size) complete in all respect as per Design. (DSR No. 19.16)

Centering and shuttering including strutting, propping etc. and removal of form for all heights. :- Suspended floors, roofs, landings, balconies and access platform. (DSR No. 5.9.3)

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources). (DSR No. 5.3)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level Thermo-Mechanically Treated bars of grade Fe-500D or more. (DSR No. 5.22.6)

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality H D - 20 Circular shape 560 mm internal diamete (DSR No. 19.19.3.1)

Providing and Fixing of precast RCC M-20 HD Road Gully cover and frames in 1:2 Cement Sand Mortar on the top of brick masonary chamber complete in all respects to the entire satisfaction of EIC. (Size : cover 690 x 537 x 80mm ; frame : 810 x 657 x 130mm) (NSI)

Carriage of Materials by mechanical transport including loading, unloading and stacking : Earth upto 2 km. complete in all respects. (DSR No. 1.1.2)

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. (DSR No. 2.25)

Supplying and filling sand (recycled sand) under road crossing including carriage etc., complete in all respects to the entire satisfaction of the EIC. (NSI based on DSR No. 2.27)

Making connection of drain or storm line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1cement: 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1cement: 3 coarse sand) finished with a floating coat of neat cement and making necessary channels for the drain etc. complete For pipes 350 to 450 mm diameter (DSR No. 19.21.3)

Restoration of water connections coming in the alignment of proposed pipeline including excavation GI Pipe specials etc. as per satisfaction of the EIC. (NSI)

Providing and laying 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 : (DSR No. 19.6)

300 mm dia. R.C.C. pipe (DSR No. 19.6.4)

450 mm dia. R.C.C. pipe (DSR No. 19.6.5)