Installation of Rain Water Harvesting Tank at NITB, VSI AIRPORT, Port Blair.

Amount

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 10sqm 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. Transportation of earth will be paid separately in item no. 1.6 a) All kinds of soil.

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 and disposal of surplus excavated soil as directed, within a lead of 50 m. a). All kinds of soil

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. a). All kinds of soil

Additional Lift Excavating over areas not exceeding 3m in depth

Additional Lift Excavating over areas not exceeding 4.5m in depth

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, 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 : a). All kinds of soil

Extra for excavating trenches for pipes, cables etc. in all kinds of soil for depth exceeding 1.5 m, but not exceeding 3 m. (Rate is over corresponding basic item for depth upto 1.5 metre). a). All kinds of soil

Carriage of Materials By Mechanical Transport including loading, unloading and stacking Earth (Lead considered 10 K.M)

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 upto 50 m and lift upto 1.5 m.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering . All work up to plinth level. a) 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40mm nominal size) Note : Sand from Mainland & Stone aggregate from Mainland (India) to be used for this item.

Providing and laying in position machine batched and machine mixed and machine vibrated design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge.“(Note :- Cement content considered in this item is @ 330 kg/cum.“Excess/ less cement used as per design mix is payable/recoverable as per the rate of cement in actual supply voucher from manufacturer / authorized dealer at the time of execution. In the case of authorized distributor the rate may be autheticated from the manufacturer separately). a) All work upto plinth level (M-25 grade reinforced cement concrete.) Note : Sand from Mainland (India) & Stone aggregate from Mainland (India) to be used for this item.

Extra for providing richer mixes at all floor levels Note:- Excess/less cement over the specified cement content used is payable /recoverable separately. Providing M-30 grade concrete instead of M-25 grade BMC/ RMC. (Note:- Cement content considered in M-30 is @ 340 kg/ cum)

Centering and Shuttering including strutting, propping etc. and removal of form for : a) Foundations, footings, bases of columns etc. for mass concrete.

Centering and shuttering including strutting, propping etc. and removal of form for all heights (b) Suspended floors, roofs, landings, balconies and access platform

Reinforcement for RCC work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. a) High corrosive resistant/CRS Thermo-Mechanically Treated bars of grade Fe-500D or more.

Supply & Fixing of Non-woven Geo textile having thickness of 400gsm, having minimum tear strength of 250 ASTM D4533, width wise at least 215 ASTM D4533 having puncture strength of 1550 plus as per ASTM D6241 having elongation at break % of 57 plus as per ASTM D4595 in two layers, made out of long fibres to hold the modules and protect liner including cutting,sizing,head welding and needle punched for high porosity and proper percolation complete.

Supply & Fixing of polymer based rainwater harvesting structure comprising strctural elements & spacers of specified size & weight (as per manufactures specification like cross wave/honeycomb structure or equivalent) with minimum void ratio of above 94% and arranging the same as directed by the Engineer-in-Charge and in complete accordance to the design, drawings of the manufacturers.

Supply & Fixing of Central ground water board (CGWB)/ Green rating for integrated habitat assessment (GRIHA) approved pure rain filter 700mm dia with 300mm dia inlet and outlet to accmmodate strom water having desalting suspended solid catcher made made out of FRP with stainless steel 304 grade strainers having bucket of 600 micron capable of eliminating finer particulate matter up to 160 micron filtration made of satinless steel net with long fiber foam of 25mm thickness, filtration capacity 40-80 kilolitres per hour complete in accordance to the manufactures design, drawing and specification and complete all as specified and as directed by Engineer-in-charge. The total depth of filter shall be 2000mm. the make shall be all as aproved by GE.

Providing and laying 1.2mm thermoplastic membrane dimensionally stabilized with glass fibre, specifically designed for waterproofing tanks and containers used for drinking water. Sheets are welded together by hot air or using hot wedge, with manual or automatic welder. It should have physical-chemical properties on each side: - The upper surface (light green) is treated against UV rays - The underside (black) is highly resistant to puncture and perforation by roots The product shall have (i) Tensile strength >9 MPa as per EN 527-3, (ii) Puncture resistance >1000N as per 12236 (iii) Tear resistance ≥45 N/mm as per ISO 34 sample fig.2 , (iv) Breaking strength (%) : ≥ 550 as per EN 527-3 (iv) Durability: Durability: Oxidation & Weathering variation in tensile properties shall be ≤ 25% as per EN 14575 & EN 12224 (v) Resistance to thermal ageing in water: variation in tensile strength & mass loss as per EN 14415 (A and B) is < 25 &< 5 respectively. Product shall be CE marked and in accordance to EN 13361: 2013 and EN 13362: 201

FRP Based access Chambers, size of 500mm x 500mm x 500mm

Supply and Fixing of Outlet pipes from RWHT. 110mm dia- GI Pipe of From RWHT Oulet to LGF Main tank

Supply and Fixing of inlet pipes to RWHT. 300mm dia- PVC Pipe for water supply from Collection chamber to RWHT ( 3 Nos of 40m length )

Material and labour for Hardcore filling with with 20mm, 40mm and fine aggregate in chamber for collection of rain water (for Sedimantation Purpose) Note : Stone aggregate from Mainland (India) to be used for this item.

Supply, Installation. Testing and commissioning of 5 HP horizontal monoblock self priming pump motor set in rainwater hervesting system having 80 mm dia delivery and suction, discharge range of 500 LPM or more at head range of 12-25 mtr suitable for 3 phase 50Hz, power supply including transportation to site etc. complete as required

SITC of control panel for the above pump motor set, having all necessary protections, switchgears and accessories like necessary type of starter, overload protection, single phase preventer,dry run protection,short circuit protection, indicating phase indicator lamps etc. inlcuding transportaion of the panel to site complete as required.One panel to be used for the operation of both the motors.

Supply of XLPE insulated PVC inner sheathed, armoured aluminium conductor underground power cable of 1.1 KV grade of following size conforming to IS:7098(Part-I) 1988, with upto date amendments etc., complete as required. 3.5x 35 Sq.mm

Supply of PVC round sheathed copper conductor multicore industrial Cable for voltage grade upto 1100 V. as per IS 7098-1 with upto date amendments etc., complete as required. 8 CORE, 2.5 Sqmm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL/HDPE pipe as required. Upto 35 sq.mm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on cable tray as required. Upto 35 sq. mm (clamped with 1mm thick saddle)

Providing, laying and fixing following dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching (75 cm deep)and re-filling etc as required 50 mm dia

Supplying and laying of following size DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc.direct in ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc. , complete as required. 63 mm dia (OD-63 mm & ID-51 mm nominal)

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. 3½ X 35 sq. mm (32mm)

Provision of remote operation of the all pumps from required location as per EIC using push button station including all necessary interconnections, glands, terminations etc. complete as required.

Kakolil Trade Agencies

ASHWATH INFRATECH PRIVATE LIMITED