Implementation of Jal Jeevan Mission to Thirumukkadu Village Panchayats in Acharapakkam Panchayat Union in Chengalpattu District for the year 2022-23 Having PKG No.22

Amount

Part-1: Providing OHT 10000 liters,FHTC, Delivery and pumping Pipe Lines in Uthamanallur colony at Thirumukkadu Panchayat in Acharapakkam Panchayat Union . Estimate Amount : Rs.38.07 Lakhs

Providing FHTC

HSC Connection in DI Mains for Water Supply Scheme - Providing suitable dia PVC Saddle 63x25mm ISI MARKING TWAD SOR Page No -26

Common Items for HSC Connection - PBrass Ferrule as per IS 319 grade of sizes 15mm size and threaded as per to suit the corresponding bore sizes of 20mm dia size in the saddle Connection as per ISI std.TWAD SOR Page No -53

Provision for flow control valve with ISI make 25X20mm

Poly Propylene compression Female Threaded Adaptor withmetal insert of SS 304 as per standards ISO 14236 andTested as per BS 6 920 in WRC-NSF LTD, UK for connecting 15mm, 20mm and 25mm outlet points of Brass ferrule of sizes 15mm, 20mm and 25mm respectively.TWAD SOR Page No -53

Poly propylene 90 Degree Compression elbow withcompression joint at both ends as per standards ISO 14236 and Tested as per BS 6920 in WRC-NSF LTD, UK suitable for 20mm, 25mm and 32mm pipes

Poly Propylene compression Male Threaded Adaptor with metal insert of SS 304 as per standards ISO 14236 and Tested as per BS 6920 in WRC-NSF LTD, UK suitable for 20mm, 25mm and 32mm pipe

Supply & Jointing (12/15mm) SS/brass screw down tapTWAD SOR Page No - 160

Earthwork Excavation for 20mm PVC pipe laying work including cost of Refilling work as per Standard Specifications 20B (in Rm)(1.00mx0.60mx1.05m)

20mm PVC Pipe 10ksc as per standards ISI MARKING

Labour Charges for Laying & Jointing 20 mm pipe in Excavated Trench in Proper Camber

Provision for Stand post 0.10x0.15x1.20m and Platform 0.45x0.45x0.10m

Supply and delivery of the MS clamp and fixing in wall in open space with required screw etc TWAD SOR Page No - 166

Distribution Pipe Line

Earth work excavation in all types of soil lead And lift ss 20 B etc complete Including All Labour Charges Including Cost and Conveyance etc Complete. .(1.00mx0.60mx1.05m)

Supply and Following of 63 mm dia PVC Pipe Including Cost and Conveyance etc Complete. 4 KSC

Supply and Fixing of PVC Pipe Including Cost and Conveyance etc Complete.

Refilling excavated earth Including All Labour Charges Including Cost and Conveyance etc Complete. .

Pumping Main Pipe Line

Earth work excavation in all types of soil lead And lift ss 20 B etc complete Including All Labour Charges Including Cost and Conveyance etc Complete. .(1.00mx0.60mx1.05m)

Supply and Following of 90mm dia PVC Pipe Including Cost and Conveyance etc Complete. 6 KSC

Supply and Fixing of PVC Pipe Including Cost and Conveyance etc Complete.

Refilling excavated earth Including All Labour Charges Including Cost and Conveyance etc Complete. .

10000 ltr Over Head tank

Earth work excavation & depositing on bank with an initial lead of 10 metre & initial lift of 2 metre in Hard shift clay, stiff block cotton, hard red earth shales, murrum, gravel, stoney earth, and earth mixed with small size boulders and hard gravelly soil (SS 20B) for foundation including shoring, strutting, baling out water providing danger light wherever necessary depositing the surplus earth on bank and other incedential charges etc., complete and as directed by TWAD board Officers

First depth of 2m From 0 to 2 m below GL

Second depth of 2m From 2m to 4 m below GL

MSand filling for foundation with clear river sand including cost of sand, watering ,ramming and consolidation etc complete as directed by TWAD Bord officers

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for foundation and footing including mixing, placing, ramming ,finishing curing etc. complete in accordance with standard specification and as directed by the TWAD Board Officers.

Reinforced Cement Concrete Mix M30 grade using 10mm & 20mm Hard blue granite Broken stone (machine crushed) excluding the cost of RTS rods for reinforcement and centering, strutting, shuttering but including cost of all materials mixing, laying, Vibrating the concrete with mechanical vibrators, ramming, consolidating, finishing and curing etc., Complete and as directed by the TWAD Board Officers.

Below 1.5m from GL

0m to 1.50m below GL

0m to 4.50m above GL

4.50 m to 7.32 m above GL

7.32 m to 10.98 m above GL

Supply and erection of steel centering, shuttering for soffits and sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG10 stiffened with MS angle of size 25 X 25 X 3 mm for boarding laid over I type MS Truss of size 25 X 25 X 3mm about 90cm c/c and supported by 40mm GI pipes (Medium) spaced at 75cm c/c etc complete and as directed by the TWAD Board Officers.

Plain Surface

Below GL

From GL to 3.30m

From 3.30m to 4.30m above GL

From 6.30m to 7.30m

Square Column:

Square Column Below GL and upto 3.30m above GL

3.31m to 4.30m ht

4.31m to 5.30m ht

5.31m to 6.30m ht

6.31m to 7.30m ht

Curved Surface - upto 3.30m ht.

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.( The steel should conform to the relevant ISspecification and supplied with test certificate Fe. 415 grade as per IS specification No.1786/1985 and as amended from time to time) delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, taxes etc. complete.and as directed by the TWAD Board officers.

Painting two coats with approved cement paint over one priming coat of white cement over cement plastered wall surface and ceiling including cleaning preparing the surface and curing etc., complete (using cement paint of colour as approved by the Departmental officer) and as directed by the TWAD Board officers.

Supply and Delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50 mm x 50mm x 6mm MS angle for sides and steps in 16 mm MS plain rods fixed at 30cm C/C welded jointed etc ., providing with suitable side supports, clamps and locking arrangements provided with two coats of approved enamel paint over one coat of redoxide paint , for providing access to roof top of 20000 litres OHT of suitable inclined length , including bottom anchorage and transportation and as directed by TWAD Board officers. The rate includes concrete bed block in CC 1:2:4 using 20mm HBGS at top and bottom of suitable size with necessry anchor bolts.

Providing and fixing of RCC inner access ladder in RCC 1:11/2 :3 (one cement,one and half sand and three aggregate) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centring,shuttering charges, mixing concrete,curing etc. to required height and clear width of 45 cm consisting of 2 nos. of vertical post of 10 cm x 15 cm and step slab of 25mm x 25mm etc.complete and as directed by TWAD Board Officers.

Providing 110mm PVC vent cowl arrangements mosquito proof nylon net and as directed by TWAD Board officers

Supply and fixing of cut stone of size 0.30m x 0.30m x 0.15m in CM 1;3(one cement and three sand) below inlet pipe for Service Reservoir as directed by TWAD Board Officers.

Providing manhole cover of size 0.60 x 0.60M in RCC 1:1.5:3 with suitable reinforcement and 50x50x6mm MS angle fixed along edges and as directed by TWAD Board officers

Pipe connection arrangements for inlet,outlet,scour and overflow etc. including cost of pipes,specials,valve,labour charges for lifting, aligning, cutting, threading ,fixing and painting of GI pipes with two coats of approved quality enamal paint etc. complete as detailed below.

65mm GI pipes for inlet connection

65mm GI pipes for over flow & rain water harvesting pipe

50mm GI pipes for scour pipe

65mm GI pipe for delivery pipe

90mm PVC Threaded coupler

63mm PVC Threaded coupler

65mm dia GI Tee

65mm dia GI bend 90

65mm GI coupler

65mm GI union

65mm GI Elbow

65mm flange set

50mm flange set

50mm GI union

50mm GI Elbow

65x50mm GI reducer

75mmx63mm PVC reducer

65mm GM gate valve

50mm GM gate valve

63 mm PVC 4Ksc Pipe

Refilling the foundation with excavated earth including consolidation as directed by the TWAD Board officers

Labour charges for GI pipe connection to the OHT, for inlet, outlet, overflow and scour arrangements including cutting and threading, earth work excavation & refilling.

GST Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST Amount for total overall quoted amount above this row in column "BB" for all works in this package}

SIVASAKTHI CONSTRUCTIONS