Providing Rain Water Harvesting System (Artificial Recharging of Ground Water) at Government Model School Village Daria, Chandigarh

Carriage of material by mechanical transport including loading, unloading and stacking. DSR 1.1

Earth upto 1 Km. DSR 1.1.2

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed. DSR 2.6

All kinds of soil DSR 2.6.1

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 2.25

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. DSR 2.26

All kinds of soil DSR 2.26.1

CONCRETE WORK DSR 4.1

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 coarse sand (zone-Ill) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources) DSR 4.1.10

Applying a coat of residual petroleum bitumen of penetration 80/100 of approved quality using 1.7 kg per square metre on damp proof course after cleaning the surface with brushes and finally with a piece of cloth lightly soaked in kerosene oil. DSR 4.13

REINFORCED CEMENT CONCRETE DSR 5.1

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

1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) DSR 5.1.2

Centering and shuttering including shuttering, propping etc. and removal of form to:- DSR 5.9

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc. DSR 5.9.2

Suspended floors, roofs, landings, balconies and access platform DSR 5.9.3

Reinforcement for RCC work including straightening, cutting, bending, placing in position and binding all complete DSR 5.22

Cold twisted bars DSR 5.22.6

Providing orange colour safety foot rest of minimum 6 mm thick plastic encapsulated as per IS : 10910 on 12mm dia steel bar conforming to IS : 1786 having minimum cross section as 23mm x 25mm and over all minimum length 263 mm 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 indentification 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. DSR 19.16

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality. DSR 19.19

H D - 20 DSR 19.19.3

Circular shape 560 mm internal diameter DSR 19.19.3.1

Supplying,filling,spreading & leveling stone boulders of size range 5 cm to 20 cm, in recharge pit, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge. DSR 23.5

Supplying,filling,spreading & leveling gravels of size range 5 mm to 10 mm, in recharge pit, over the existing layer of boulders, in required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge. DSR 23.6

Supplying,filling,spreading & leveling coarse sand of size range 1.5 mm to 2 mm in recharge pit, in required thickness over gravel layer, for all leads & lifts, all complete as per direction of Engineer-in-charge. DSR 23.7

Boring /drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part 1),including collecting samples from different strata,preparing and submitting starta chart/bore log, including hire & running charges of all equipments,tools, plants & machineries required for the job, all complete as per direction of Engineer-in-charge,upto 90 metre depth below ground level. DSR 23.1

400 mm dia DSR 23.1.1.3

Boring /drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part 1), including collecting samples from different strata,preparing and submitting starta chart/bore log, including hire & running charges of all equipments,tools, plants & machineries required for the job, all complete as per direction of Engineer-in-charge,beyond 90 metre & upto 150 metre depth below ground level. DSR 23.2

400 mm dia DSR 23.2.1.3

Supplying, assembling, lowering and fixing in vertical position in bore well, unplasticized PVC medium well casing (CM) pipe of required dia, conforming to IS:12818, including required hire and labour charges, fittings & accessories etc.all complete, for all depths, as per direction of Engineer-in-charge. DSR 23.3

200 mm nominal size dia DSR 23.3.3

Supplying, assembling, lowering and fixing in vertical position in bore well, unplasticized PVC medium well screen (RMS) pipes with ribs,conforming to IS:12818, including hire and labour charges, fittings & accessories etc.all complete, for all depths, as per direction of Engineer-in-charge. DSR 23.4

200 mm nominal size dia DSR 23.4.3

Gravel packing in tubewell construction in accordance with IS: 4097, including providing gravel fine/medium/coarse, in required grading & sizes as per actual requirement, all complete as per direction of Engineer-in-charge. DSR 23.8

Devlopment of tubewell in accordance with IS:2800 (Part 1) and IS:11189, to establish maximum rate of usable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed measuring yield of well by "V" notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved labortary, i/c disinfection of tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc.,all as per requirement and direction of Engineer-in- charge. DSR 23.12

Providing and fixing of suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/casing pipe , removable as per requirement , all complete of borewell of DSR 23.13

200 mmm dia DSR 23.23.3

Providing and fixing M.S clamps of required dia to the top of casing/ housing pipe of tubewell as per IS:2800 (part 1), including necessary bolts & nuts of required size complete. DSR 23.14

200 mm clamp DSR 24.14.3

Providing and Fixing Bail plug/Bottom plug of required dia to the bottom of pipe assembly of tubewell as per IS:2800 (part 1) DSR 23.15

200 mm dia DSR 23.15.3

Supplying and fixing of MS Centring Guides complete in all respects as per IS: 2800 (Part-I-1991 with uptodate ammendments)

Electric logging after drilling of tubewell for feasibility of installation of blind pipe and slotted pipe in bore by analysing the N-16, N-64 and S.P.-Log. The complete bore log should be submitted in triplicate.

Providing and fixing of PVC.Tee 8"x8"x8" (200x200x200 mm) complete in all respect.

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, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. DSR 2.8

All kinds of soil. DSR 2.8.1

Excavating trenches by mechinical / manual means of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, for all depth, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : DSR 2.10

All kinds of soil DSR 2.10.1

Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia DSR 2.10.1.2

Pipes, cables etc. exceeding 300 mm dia. but not exceeding 600 mm dia DSR 2.10.1.3

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering- All work up to plinth level : DSR 4.1

1:2:4 (1 cement : 2 coarse sand (zone-Ill) derived from natural sources : 4graded stoneaggregate 20mmnominal size derived from natural sources) DSR 4.1.3

1:5:10 (1 cement : 5 coarse sand (zone-Ill) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources) DSR 4.1.10

REINFORCED CEMENT CONCRETE DSR 5.1

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 (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) DSR 5.1.3

Centering and shuttering including shuttering, propping etc. and removal of form to:- DSR 5.9

Suspended floors, roofs, landings, balconies and access platform DSR 5.9.3

Reinforcement for RCC work including straightening, cutting, bending, placing in position and binding all complete DSR 5.22

Cold twisted bars DSR 5.22.6

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: DSR 6.1

Cement mortar 1:4 (1 cement : 4 coarse sand) DSR 6.1.1

12 mm cement plaster finished with a floating coat of neat cement of mix : DSR 13.7

1:4 (1 cement: 4 fine sand) DSR 13.7.2

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 19.6

250 mm dia. R.C.C. pipe DSR 19.6.3

300 mm dia. R.C.C. pipe DSR 19.6.4

450 mm dia. R.C.C. pipe DSR 19.6.5

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality DSR 19.19

H D - 20 DSR 19.19.3

Circular shape 560 mm internal diameter DSR 19.19.3.1

Providing and laying of PVC pipe of capacity 6KG/cm2 including cutting, joining, solvent and all necessary fittings complete in all respect

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