Rate Contract for Supply, Installation, Testing Commissioning of Rain Water Harvesting System along with five years of Comprehensive repairing maintenance in various Building Premises of AUDA (JOB-13/2026-27)

Bill of Quantities

Name of Work:- Rate Contract for Supply, Installation, Testing Commissioning of Rain Water Harvesting System

along with five years of Comprehensive repairing maintenance in various Building Premises of AUDA.

Sr. No. Item Rate Unit

Excavation for foundation up to 1.5 m depth including

sorting out and stacking of useful materials and disposing

1 off the excavated stuff up to 50 Meter lead. 117.08 Cmt.

(A) Loose or soft soil

Excavation for foundation upto 1.5 m depth including

sorting out and stacking of useful materials and disposing

2 off the excavated stuff up to 50 Meter lead. 203.83 Cmt.

(A) Loose or soft soil

Filling available excavated earth (excluding rock) in trenches.

plinth, sides of foundations etc. in layers not exceeding 20 cm.

3 in depth consolidating. Each deposited layer by ramming and 130.39 Cmt.

Providing, supplying and fixing in standard length ISI mark rigid

unplasticized UPVC pipes suitable for potable water with ring fit

joint including cost of rings, as per IS specification no.

4985/1988 including all local and central taxes,

transportation, freight charges, octroi, inspection charges,

4 loading, unloading, conveyance to the departmental stores and 230.28 Rmt.

including cost of jointing material, plumbing accessories, nr

valves, solvents, clamps etc, including core cutting, minor civil

work, complete with finished, installed at the site Test Pressure

Lovering, Laying, Fixing and Jointing PVC/uPVC/cPVC pipes and

specials of following class and diameter including cost of

5 conveyance from stores to site of works including cost of labour 19.19 Rmt.

material cement solvent giving satisfactory hydraulic testing as

Sr. No. Item Rate Unit

Providing and fixing of rooftop rainwater harvesting

filter device with single stages of filtration having 4 inch.

vertical inlet, verticaloutlet, square shape Made of SS304

Stainless steel, rainwaterfilter having SS 304 curved wedge

wire screen of 250 micron in clean water outlet, two on top

6 and two on bottom for firm fixing on the wall, with front impurity 5902.92 No.

outlet. Material of Root top filter box will be SS304 having overall

dimensions 300 X 325 X 200 (L X B X H (mm )) and valid

manufacturecertificate required of supply.

TECHNICAL SPECIFICATIONS TRIPPLE LAYER WEDGE WIRE FILTER

1 Main Housing :1000mm Long, 3mm thick cylinder having

bottom 5mm thick bottom plate with 4”Outlet, Made of SS304

2 Outer Screen Material: SS-304 Overall, all Length: 750mm Slot:

1 mm Dia: 10” wedge wire screen

3 Middle Screen Material: SS-304 Overall, all Length: 750mm

Slot: 0.75 mm Dia: 6” wedge wire screen

7 4 Inner Screen Material : SS-304 Overall all Length: 750mm Slot: 69660.50 Nos

0.5 mm Dia: 4” wedge wire screen

5 Activated charcoal It will be filled between Outer screen and

middle screen with required volume

6 Coarse Sand It will be filled between middle screen and inner

screen with required volume

Filter installation charges per Site

MS framing for Tripple filter Holding

UPCV T of Size 4” for Bypass arrangement

Ball Valve 4” (6kg) Start up Approved rate

Demolition including stacking of serviceable materials and disposal

of unserviceable materials with all lead and lift. (i) R.C.C.

12 work 1057.85 Cmt.

Demolition of Brick work and stone masonry including stacking of

serviceable materials and disposal of unserviceable materials with all

13 lead and lift. (ii) In Cement Mortar. 550.40 Cmt.

Dismantling tiles of stone floors laid in mortar including stacking

of serviceable materials and disposal of unserviceable materials

14 with all lead and lift ( Reinstatement) 47.72 Cmt.

Sr. No. Item Rate Unit

Couplings for fixing of RTF and Tripple filters

Requirement (Supply) of accessories made from Mild steel (

Runner Patti, Z patti ,U clamp, MS coupler , Nut bolts , washer

16 etc) for Roof Top filter, fitting of 4" uPVC pipe connecting the 8500.00 Set

same with Tripple layer filter on the wall.

Requirement (Installation, testing & Commissioning) of

accessories made from like bend,FTA ,reducer, L-clamp , end cap

consumable like adhesive , resin, Teflon tap ext. for Roof Top

filter, fitting of 4" uPVC pipe connecting the same with Tripple

layer filter on the wall

Labour charges - Mazdoor (male)

Water Tanker with Distributor

Supply of Gravel

for Bore (Size 4.75 mm to 10.00mm)

for Filter (Size 4.00 mm to 6.00 mm )

for Collecting Chamber (Size 15 mm to 20 mm)

900 CFM/200 Psi Air Compressor should run minimum for Eight

Hours or upto availability of sand free clear water discharge.

Operation and maintenance charges

18.1 1st year from the date of installation 500.00 job

18.2 2nd year from the date of installation 525.00 job

18.3 3rd year from the date of installation 551.25 job

18.4 4th year from the date of installation 578.81 job

18.5 5th year from the date of installation 607.75 job

Estimate cost put to tender

Rupees one lakh seventy two thousand Eight hundred Ninety nine and ninety Eight paisaa only

I/ We am/ are willing to carry out work at______________ % above / below of Estimated rates as mentioned.

Amount of my tender works out as under.

Estimated Amount put to tender Rs.

deduct / Add Rs.

Below / Above Rs.

Dated Signature of Contractor Execuive Engineer

AUDA, Ahmedabad