CONSTRUCTION OF STORM WATER DRAINAGE and RAIN WATER HARVESTING SCHEME AT ANURAG NURSARY CHOWK INDRANAGAR, DEHRADUN

Amount

A. Laying, jointing, testing and commissioning of RCC conduit including earth work, barricading, timbering and all allied works

Providing and fixing Barricading for Trenches using 125 mm dia Wooden Ballies as vertical post, atleast 1.5m above ground level and atleast 30-45 cm below ground level at a spacing of 3 m. Two rows of 80 - 100 mm Wooden Ballies as horizontal members securely tied by coconut strings with the vertical members. Both vertical and horizontal members shall be painted in red and white colour strips as per approved pattern as and when it becomes shabby but at least after every alternate shifting at new location.After shifting/ removal of barricading holes shall be filled up properly and site is to be cleared in all respect. Rate are inclusive removal and cleaning of site in all respect . (Note: measurement is to be done in linear basis).

Providing and erecting 2.00 metre high temporary barricading at site; each panel of size 2.50mx2.00m made of 40x40x6mm angle iron or 50x50x3mm hollow MS tube posts/horizontal members/ bracings covered with 1.63mm thick MS sheet. The sheet shall be fixed with 30x5mm MS flat by suitable welding/riveting. The panels shall be made so that gap of 50cm above the ground is available making overall height as 2.5m. MS channel ISLC 75 @ 5.70 kg/m, 50cm long shall be provided at the bottom having oval shaped holes of size 50x25mm at both ends with 50cm long MS angle 40x40x6mm bracing. Suitable arrangement shall be made to fix the barricading to avoid from overturning by providing 250mm long expansion fasteners at both ends. The work shall be executed as per drawing/direction of Engineer-in-Charge which includes writing and painting, arrangement for traffic diversion such as traffic signals during construction at site for day and night, glow lamps, reflective signs, marking, flags, caution tape as directed by the Engineer-in-Charge. The barricading provided shall be retained in position at site continuously i/c shifting of barricading from one location to another location as many times as required during the execution of the entire work till its completion. The barricading shall not be removed without prior approval of Engineer-in-Charge.

Excavation of earth below G.L. by manually or by mechanical means for laying of Sewers, Man-Holes, Gully Pits, Chambers etc. in soil including extra excavation below inverts, trimming & dressing of sides, levelling and back filling of trenches by excavated earth in 20 cm layers,watering and ramming the same including removal of surplus earth or other dismantled material up to a distance of 50 meters from the center of trenches and cleaning of site properly after completion of the work. Excavation by mechanical means shall be restricted upto 90 cm above invert levels at every point of excavation. Excavation from invert levels to 90 cm above shall be done by manually only.

Ordinary Soil

upto 1.5 m depth

1.5 m to 3 m depth

3 m to 4.5 m depth

Provide & fixing of Close Timbering in trenches for the following depths below ground level consisting of 40mm thick approved country wood planks for poling board, 125mm ×75mm Indian Salwood walers and 100 mm dia Sal wood ballies for struts at 1.50m interval including removal after laying of sewer(both sides of trenches will be taken as one side for the purpose of payments & measurements i.e. area equals to length x depth of trenches. Dismantled timbering materials will be the property of the contractor.

Depth up to 3.0m below ground level

3.0m to 6.0 m below ground level

Same as item no3 but timbering to be left in trenches (Used timbering)

3.0m to 6.0 m below ground level

Provide & fixing of Open Timbering (covering 1/3rd of surface area by planks), in trenches for the following depths below ground level consisting of 40mm thick approved country wood planks for poling board, 125mm × 75mm Indian Salwood walers and 100 mm dia Sal wood ballies for struts at 1.50m interval including removal after laying of sewer(both sides of trenches will be taken as one side for the purpose of payments & measurements i.e. area equals to length x depth of trenches. Dismantled timbering materials will be the property of the contractor.

Depth up to 3.0m below ground level

3.0m to 6.0 m below ground level

Steel shoring in trenches / manholes including strutting , shoring and packing cavities where required complete including all material, labour, tools etc. with all lead and lift complete in all working conditions like subsoil, water etc. and as directed by the Engineer -in-charge. (Measurement to be taken of the face area provided with shoring)

for trenches beyond 1.5 mt. depth

Upto 3.00 meter depth

Upto 4.50 meter depth

for manholes beyond 1.5 mt. depth

Upto 3.00 meter depth

Upto 4.50 meter depth

Supply & Laying - Jointing of following dia. R.C.C. S&S pipes with rubber gaskets to the site of work, lowering the same into trenches below ground level true to alignment, making the joints with rubber gaskets and with necessary spun yarn soaked in bitumen jointing with 1:2 cement mortar in coarse sand including cost of all jointing materials and testing etc. complete but excluding excavation and backfilling of trenches upto ground level R.C.C. S&S Non Pressure Pipe class Conforming To IS : 458-2003. Class- NP3

1400 mm Diameter

3.0 to 4.5 m depth

Providing granular bedding for RCC pipes with carefully compacted backfill at all level using graded hard crusher broken stone 100% passing through 20mm sieve, 20-50% passing through 10mm sieve and 100% retained on 6mm sieve, laying in each layer not more than 15 cm. thick including ramming, watering, compaction etc. complete for pipe bedding and surrounding as per drawing and as directed by the Engineer-in-Charge . Pipe internal diameter from 350 mm to 700 mm.

Carriage of excavated material as directed by Engineer in Charge for the following leads Excavated earth upto 5 kM lead

B. Construction of manhole, collection chamber and ancilaaery works.

Providing and constructing RCC circular manhole of various diameters and depths with RCC M 20 and as per drawing. The work consists of excavation, dewatering, planking, strutting etc. refilling, disposal of surplus earth with all lead and lift at a suitable disposal site,construction of RCC base over PCC M15 (1:2:4) bed and RCC wall, preparation of channel and PCC M15 (1:2:4) benching, fixing of manhole frame & its cover, RCC-M20 cover slab of suitable thickness ,centering and shuttering, providing and fixing PVC encapsulated footsteps of approved make and quality, SFRC Extra heavy duty (EHD-35) frame and cover of 56cm. dia. clear opening, suitable connection of inlet and outlet pipes, curing ,testing of manholes (including the cost of manhole cover , frame & reinforcement steel ) complete as per specification and drawing and as directed by the Engineer.( Excavation will cover all types of condition like sub soil water and foul condition.)

Type- B

1800 mm internal diameter and depth between 2.0 m to 2.5m.

Type-C

1800 mm internal diameter and depth between 2.5m to 3.0m.

1800 mm internal diameter and depth between 3.0 m to 3.5m.

1800 mm internal diameter and depth between 3.5 m to4.25m.

C. Dismantling and road restoration works and miscellaneous works

Dismantling of cement concrete pavements by mechanical means using pneumatic tools breaking to pieces not exceeding 0.02 Cum in volume and stock piling at designated locations and disposal of dismantled materials upto a lead of 1000 m, stacking serviceable and unserviceable materials separately

Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 100 m, stacking serviceable and unserviceable materials separately as per Technical Specification Clause 202

Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size) in pavements, laid to required slope and camber in panels as required including consolidation finishing and tamping complete.

Providing concrete for plain/ reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 in pavement Nominal mix 1:3:6

Providing and Laying of Interlocking Concrete Blcok Pavements having thickness 60 mm as per drawing and Technical Specification Clause 1504

Laying old cement cocrete interlocking paver blocks of any design/ shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer in- charge.

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.

Demolishing stone rubble masonry manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge :

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Dismantling precast concrete or stone slabs in walls, partition walls etc. including stacking within 50 metres lead :

Thickness above 40 mm upto 75 mm

Restoration of Brick Work with F.P.S. bricks of class designation 7.5 in foundation and plinth and as per specifications and direction of Engineer-in-charge. In Cement Mortar 1:4 (1 cement : 4 coarse sand).

Restoration Random rubble masonry with hard stone in foundation and plinth / superstructure including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand: 12 graded stone aggregate 20mm nominal size) at plinth level and as per specifications and direction of Engineer-in-charge

In Cement Mortar 1:6 (1 cement : 6 coarse sand) with available stone

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - at all levels : 1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) wherever required including necesarry ramming and consolidation,curing etc. and as directed by Engineer- in-charge.

Providing and laying in position specified grade of reinforced cement concrete,M20 grade (1:1.5:3), excluding the cost of centering, shuttering, finishing and reinforcement- at all levels, Including necesarry ramming and consolidation,curing etc. and as directed by Engineer- in-charge.

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

Centering and shuttering including strutting, propping etc. and removal of form work etc.

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for assuming lead of 5.0 km including all lifts involved.

Providing of all materials, Carting from site store to site of work, Lowering into trenches with true to alignment, Laying & Jointing of full lenght S&S Centrifugally Cast (Spun) Ductile Iron Pipes including supply of 'EPDM' rubber gasketsCONFORMING TO IS :8329/2000 with testing of pipe line complete. DI K7 S&S pipe of 150 mm diameter is proposed or as directed by Engineer incharge.

Providing, lowering, laying, aligning, fixing in position in pipe line, CI D/F Sluice/Scour valves of approved make & design standard complete including jointing & jointing material including all material, labour, testing and commissioning along with pipe line as per Technical Specification Confirming to IS: 14846-2000 & as per direction of Engineer.Manually operated class PN 1.0, 150 mm diameter

Pipe supplying, conveying to site, lowering in trenches at all levels, aligning, laying & jointing of RCC pipes NP3 class (with Spigot & Socket (S/S) ends) as per IS: 458 - 2003 (Amended up to date) with Rubber gaskets (EPDM) for sewer lines as per IS: 5382 (including cost of Rubber gaskets, lubricants), including necessary fittings as per drawing, hydro testing the pipe line (including supplying and conveyance of water to site) etc., complete as per specifications, drawings and as directed by Engineer incharge.

300 mm diameter depth from1.5 to 3.0 m

Constructing brick masonry circular manhole 1.52 m internal dia at bottom and 0.56 m dia at top in cement mortar 1:4 (1 cement : 4 coarse sand) inside cement plaster 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement, foundation concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) and making necessary channel in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement, all complete as per standard design :2.30 m deep with SFRC Cover and frame (heavy duty HD- 20 grade designation) 560 mm internal diameter conforming to I.S. 12592, total weight of cover and frame to be not less than 182 kg. fixed in cement concrete reinforced cement concrete 1:1/2:3 (1 cement : 1/2 coarse sand : 3 graded stone aggregate 20 mm nominal size) including centering, shuttering all complete. (Excavation, foot rests and 12 mm thick cement plaster at the external surface shall be paid for separately) :With Sewer bricks conforming IS : 4885

Extra depth for circular type manhole 1.52 m internal dia (at bottom) beyond 2.30 m :With Sewer bricks conforming IS : 4885

Dismantlinf of existing sewer line 300 mm diameter RCC pipe including excavation and refilling trenches after taking out pipes manually/ by mechanical means breaking joints including stacking of pipes at site within 50 m lead as per direction of engineer- in-charge.

Providing ,laying & jointing of sewer house service connection to individual housess from chamber inside the property to either road side chamber or street manhole .Works includes supply and delivery of plain ended with integral sockets plasticised polyvinylchloride (uPVC) Pipes with ISI mark intended for underground (buried)_ non pressure gravity sewer applications conforming to IS:15328:2003 with latest amendments for different sizes and stiffness classes as per specifications including identification of location of existing chamber / sleeve.The pipes may be joined using elastomeric sealing rings.The elastomeric sealing rings required for jointing of ring tight uPVC Pipes and shall in aacordance with one of the types (Type 1 to Type 6) of IS 5382. Including excavation (in water mud or under foul condition, dismantling of all type of roads like BT, CC, Stone, Paver blocks (all thickness and sizes), and floors likes kota stone, tile, manhole etc. Or any other type of floooring as per site condition, dewatering, refilling, compaction and disposal of surplus earth / unserviceable materials with all lead and lift at suitable disposal site as directed by Engineer. Making conncetion of drain or sewer line with existing manhole including breaking into and making good the walls, floors, with cement concrete. The uPVC specials like bends, tees, couplers,etc.) shall be provided as per site condition .All transportation,loading and unloading ,conveying to site,lowering ,laying and jointing of pipes ,75 mm thick sand/concrete bedding all around the pipe as per drawing and specifications shall be inclusive complete the work in all respect and as per specification and as directed by the Engineer -in-charge .The PVC resin shall be of grade 67 ER 092 for S16.5 series ,SDR 34,SN-8.(CC Floor restoration shall be paid saparately )

110 mm dia (Outer diameter)

Making connection with the existing M.S. Galvanised mains of upto 25mm nominal dia, including cutting and threading of pipe, bailing out water, fixing, if required, specials and testing etc. complete, but excluding cost of insertion pipes and specials besides boring out (and also subsequent back fill) existing main.

D. Landscaping & Rainwater harvesting

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 getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge.All kinds of soil.

Supplying and stacking at site dump manure from approved source, including carriage upto 5 km lead complete (manure measured in stacks will be reduced by 8% for payment)

Spreading of sludge, dump manure and/or good earth in required thickness as per direction of officer-in-charge (cost of sludge, dump manure and/ or good earth to be paid separately).

Mixing earth and sludge or manure in the required proportion specified or directed by the Officer-in-charge

Digging holes in ordinary soil and refilling the same with the excavated earth mixed with manure or sludge in the ratio of 2:1 by volume (2 parts of stacked volume of earth after reduction by 20% : 1 part of stacked volume of manure after reduction by 8%) flooding with water, dressing including removal of rubbish and surplus earth, if any, with all leads and lifts (cost of manure, sludge or extra good earth if needed to be paid for separately)

Holes 60 cm dia, and 60 cm deep

Holes 45 cm dia, and 45 cm deep

Half brick circular tree guard in bricks, internal diameter 1.25 metre and height 1.2 metre above ground and 0.20 m below ground, bottom two courses laid dry and top three courses in cement mortar 1:6 (1 cement : 6 fine sand) and the intermediate courses being in dry honey comb masonry as per design complete

Edging with bricks laid dry length wise, including required excavation, refilling, consolidating with hand packing and spreading surplus earth neatly within a lead of 50 m : Common burnt clay F.P.S (non modular) bricks of Class designation 7.5

Plantation of Trees, Shrubs, and Hedge at site i/c watering and removal of unserveiceable material’s as per direction of officer in charge (excluding cast of plant & water

Trees Plant

Hedge Plant /Ground cover

Planting permanent hedges including digging of trenches, 60 cm wide and 45 cm deep, refilling the excavated earth mixed with farmyard manure, supplied at the rate of 4.65 cum per 100 metres and supplying and planting hedge plants at 30 cm apart.

Suppply & Planting Locally available plant as per direction of Engineer in charge

Providing and Laying of Interlocking Concrete Blcok Pavements having thickness 60 mm as per drawing and Technical Specification Clause 1504

Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete.for Pathway

Brick Work with F.P.S. bricks of class designation 7.5 in foundation and plinth and as per specifications and direction of Engineer-in-charge. In Cement Mortar 1:4 (1 cement : 4 coarse sand).

M/s Naresh Singhals And Co

R G Industries