JJM 2020-2021- K.Myladumparai Block - Package No. JJM / KMP-58

Amount

1. To provide Functional Household Tap connection to Rural Households and extension of pipe line at K Myladumparai panchayat

Providing GI Pipe line supply of 80mm GI pipe-

80mm GI elbow

80mm GI coupling

80mm GI gate valve

Laying and jointing the 80mm GI pipe line

Provision for water meter 50 mm , page 81 of SOR TWAD

Dirt box

Fitting Charges of Meter in OHT Column

Distribution pipeline Earth work excavation in all classes of soil for pipe line trench

supply and delivery of 63mm PVC-4Ksc

63mm PVC Elbow

63mm PVC Bend

63mm PVC Endcap

Laying and jointing the 63mm pvc pipe line

Re-filling with excavated earth as per standard spesification

GI Pipe line supply of 80mm GI pipe-

80mm GI elbow

80mm GI coupling

80mm GI gate valve

Laying and jointing the 80mm GI pipe line

supply of 50mm GI pipe-

50mm GI elbow

50mm GI coupling

50mm GI gate valve

Laying and jointing the 50mm GI pipe line

Provision for 50 mm Water meter - TWAD SOR PAGE 81 , 16 clause

Water meter Dirt BOX

Water meter erection charges

Provision for pit for Water meter 90X75cm

FHTC Providing suitable dia non corrosive engineering plastic moulded Clamp Saddle with SS 304 threaded metal inserted for tapping outlet suiting for ½”, 3/4” &1” clear bore and with wide plastic strap (Engineering Plastic) with SS 304 suitable bolts & nuts. Saddle to have sealing of Thermo plastic elastomeric (TPE) material around. 20mm (1/2”)

Supply, delivery and fixing of stainless steel flow control valve having stainless steel 202 Grade body and stainless steel ball in 304 Grade . The average flow rate of each model from 3 m to 12 m inlet pressure head to be tested and supplied with FCRI, Palakad and test certificate shall be furnished. The flow control valve shall have external threading and including packing, forwarding and transportation and as directed by the TWAD Board Officers.15mm size flow control valve with an average flow rate of 5-10 lpm.

Poly Propylene compression Female Threaded Adaptor with metal insert of SS 304 as per standards ISO 14236 and Tested as per BS 6920 in WRC-NSF LTD, UK for connecting 15mm, 20mm and 25mm outlet points of Brass ferrule of sizes 15mm, 20mm and 25mm respectively. (As Per Table 7.0 of TWAD SR 2017-18 For HSC items)20mm (1/2”)

MDPE PE 80 PN16 Blue pipe as per standards ISO 4427 and Tested as per BS 6920 in WRCNSF LTD, UK. (As Per Table 7.0 of TWAD SR 2017-18 For HSC items)

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 OD MDPE pipes. (As Per Table 7.0 of TWAD SR 2017-18 For HSC items)20mm (1/2”)

Poly propylene 90 Degree Compression elbow with compression joint at both ends as per standards ISO 14236 and Tested as per BS 6920 in WRCNSF LTD, UK suitable for 20mm, 25mm and 32mm OD MDPE pipes. 20mm (1/2”)

Supply and delivery of U PVC ball valve with one side compression end and other side female end as per ISO 4422-4 and Tested as per BS 6920 in WRC-NSF LTD, UK,size : 20mmx1/2" suitable for 20mm OD MDPE pipes.

Earth work excavation Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandyand depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches for laying of pipes for water supply in the following type of soils as directed by Departmental officers (As per Revised data 2017-18)

Lowering, laying and jointing of MDPE pipes upto 40mm Dia etc., complete

Refilling the basement with excavated Soil (other than sand) in layers of not more than 15cm thick, watering, well ramming, consolidating, complying with standard specification

Labour Charges of House Hold Connection including All Charges

Restoration of road cut portion

Cement concrete 1:4:8 mix using 20mm ISS metal including cost and all cost and conveyance of materials and all labour charges etc complete

Cement concrete 1:2:4 mix using 20mm ISS HBG metal including cost and conveyance and all other labour charges etc complete.

Electro Chloranation Disinfection - common salt as per TWAD SOR - page no -57 clause 21.2

Name Board

2. To provide Functional Household Tap connection to Rural Households and extension of pipe line in Malairajapuram at K Myladumparai panchayat

supply of 50mm GI pipe-

50mm GI elbow

50mm GI coupling

50mm GI gate valve

Laying and jointing the 50mm GI pipe line

Distribution line

supply of 50mm GI pipe-

50mm GI elbow

50mm GI coupling

50mm GI gate valve

Laying and jointing the 50mm GI pipe line

Functional Household Tap Connection(From PVC Pipe)

Providing suitable dia non corrosive engineering plastic moulded Clamp Saddle with SS 304 threaded metal inserted for tapping outlet suiting for ½”, 3/4” &1” clear bore and with wide plastic strap (Engineering Plastic) with SS 304 suitable bolts & nuts. Saddle to have sealing of Thermo plastic elastomeric (TPE) material around. 20mm (1/2”)

Supply, delivery and fixing of stainless steel flow control valve having stainless steel 202 Grade body and stainless steel ball in 304 Grade . The average flow rate of each model from 3 m to 12 m inlet pressure head to be tested and supplied with FCRI, Palakad and test certificate shall be furnished. The flow control valve shall have external threading and including packing, forwarding and transportation and as directed by the TWAD Board Officers.15mm size flow control valve with an average flow rate of 5-10 lpm.

Poly Propylene compression Female Threaded Adaptor with metal insert of SS 304 as per standards ISO 14236 and Tested as per BS 6920 in WRC-NSF LTD, UK for connecting 15mm, 20mm and 25mm outlet points of Brass ferrule of sizes 15mm, 20mm and 25mm respectively. (As Per Table 7.0 of TWAD SR 2017-18 For HSC items)20mm (1/2”)

MDPE PE 80 PN16 Blue pipe as per standards ISO 4427 and Tested as per BS 6920 in WRCNSF LTD, UK. (As Per Table 7.0 of TWAD SR 2017-18 For HSC items)

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 OD MDPE pipes. (As Per Table 7.0 of TWAD SR 2017-18 For HSC items)20mm (1/2”)

Poly propylene 90 Degree Compression elbow with compression joint at both ends as per standards ISO 14236 and Tested as per BS 6920 in WRCNSF LTD, UK suitable for 20mm, 25mm and 32mm OD MDPE pipes. 20mm (1/2”)

Supply and delivery of U PVC ball valve with one side compression end and other side female end as per ISO 4422-4 and Tested as per BS 6920 in WRC-NSF LTD, UK,size : 20mmx1/2" suitable for 20mm OD MDPE pipes.

Earth work excavation Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandyand depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches for laying of pipes for water supply in the following type of soils as directed by Departmental officers (As per Revised data 2017-18)

Lowering, laying and jointing of MDPE pipes upto 40mm Dia etc., complete

Refilling the basement with excavated Soil (other than sand) in layers of not more than 15cm thick, watering, well ramming, consolidating, complying with standard specification

Labour Charges of House Hold Connection including All Charges

Name Board

3. To provide Functional Household Tap connection to Rural Households and extension of pipe line at Kadamalaikundu panchayat

Earth work excavation in all clauses of soils except hard rock with an initial lead and lift including strutting, bailing out water as per standard speciation

(A)for foundation

(B)for SDR

supply and filling with sand including cost and conveyance of all materials to site and all labour charges etc

Cement concrete -1:4:8 using 40 mm metal (ISS HBG metal) including cost and conveyance of all materials to site and all labour charges etc

RCC -1:1.5:3using 20 mm metal (ISS HBG metal) including cost and conveyance of all materials to site and all labour charges etc

Beyond 1.5M and upto 4.5M below GL

Upto 1.5M below GL

0m to 4.5m above GL

4.5m to 7.32m above GL

7.32M to 10.98m above GL

10.98m to 14.64m above GL

14.64 m to 18.30m above GL

From 18.30m - 21.96 m above GL

Supplying and erecting centering including cost and conveyance of all material to site and all labour charges etc complete.

Plane Surface -For 0.00 to 3.30 M

plane surface 03.30m to 04.30m

plane surface 07.30m to 08.30m

plane surface11.30m to 12.30m

plane surface 15.30 û 16.30m

square column

Square column 00.00m to 03.30m

Square column 03.30m to 04.30m

Square column 04.30m to 05.30m

Square column 05.30m to 06.30m

Square column 06.30m to 07.30m

Square column 07.30m to 08.30m

Square column 08.30m to 09.30m

Square column 09.30m to 10.30m

Square column 10.30m to 11.30m

Square column 11.30m to 12.30m

Square column 12.30m to 13.30m

Square column 13.30m to 14.30m

Square column 14.30m to 15.25m

curved surface

curved surface 0.00m to 03.30m

curved surface 3.30m to 04.30m

Supplying and fabrication of of steel including cost and conveyance of all materials to site and all labour charges etc complete.

Painting in two coats using the plastic emulsion paint including cost and conveyance of all materials to site and all labour charges etc

Re-filling with excaved earth as per standard specification

Providing the inlet,outlet,over flow , water supply pipe line arrangement

supply and fixing of 125mm GI pipes

125mm GI Elbow

125mm GI coupling

Supplying and fixing in position of RCC(1:1.5:3) in side access ladder offollowing size using 20mm size HBS including cost of all materials,jellyincluding cost of all materials,including cost of all materials,

Supply,Delivery and fixing of CI Manholeframe with cover of following sizeincluding cost of all materials, fixingof MS clamps,Bolt and nuts etc.,complete

Providing RCC (1:1.5:3) Ventilator using20mm HBG stone including cost of allmaterials, centering, shuttering,strutting,reinforcement,

Providing and fixing of cut stone (Roughdressed) set in CM 1:3 of size 0.45 X0.45 X 0.15M at site including cost ofall materials, labour charges, curingcomplete and as directed by RD engineers

Name Board

4. To provide Functional Household Tap connection to Rural Households and extension of pipe line in Melapatti at Kadamalaikundu panchayat

Providing GI Pipe line supply of 80mm GI pipe-

80mm GI elbow

80mm GI coupling

80mm GI gate valve

Laying and jointing the 80mm GI pipe line

Provision for water meter 50 mm , page 81 of SOR TWAD

Dirt box

Fitting Charges of Meter in OHT Column

Distribution line Earthwork

supply and delivery of 75mm PVC-4Ksc

75mm PVC Elbow

75mm PVC Bend-6ksc

75mm PVC Endcap

supply and delivery of 63mm PVC-4Ksc

63mm PVC Elbow

63mm PVC Bend

63mm PVC Endcap

Laying and jointing the 63mm pvc pipe line

Re-filling with excavated earth as per standard spesification

supply of 80mm GI pipe-

80mm GI elbow

80mm GI coupling

80mm GI gate valve

Laying and jointing the 80mm GI pipe line

supply of 50mm GI pipe-

50mm GI elbow

50mm GI coupling

50mm GI gate valve

Laying and jointing the 50mm GI pipe line

Provision for 50 mm Water meter - TWAD SOR PAGE 81 , 16 clause

Water meter Dirt BOX

Water meter erection charges

Provision for pit for Water meter 90X75cm

CONSTRUCTION OF 60000 LITERS CAPACITY SERVICE RESERVOIR WITH PVC PIPE LINE

Earth work excavating and depositing on bank with initial lead of 10m and initial lift of 2m in hard stiff clay ,stiff block cottom, hard red earth shales, muram gravel stoney earth and earth mixed with small size boulders S.S 20 B - First depth

Earth work excavating and depositing on bank with initial lead of 10m and initial lift of 2m in hard stiff clay ,stiff block cottom, hard red earth shales, muram gravel stoney earth and earth mixed with small size boulders S.S 20 B - Second depth

Filling with the river sand including cost and conveyence of all materials to site and all labourges etc complete.

Cement concrete 1 : 4 : 8 mix using 40 mm gauge hand broken granite stone jelly for foundation including watering where ever necessary and laid in layers not more than 15 cm thick compacting etc complete

Supplying and erecting centering for side and soffits including supports and strutting upto 3.29 m height for plane surfaces in all floors with all cross bracing use mild steels of size 90cm x 60cm and 10 gauge stiffned welded with mild steel angles etc

Plane surface

Below ground level

G.L to 3.30 m

CURVED SURFACE

SQUARE COLUMN

Below Ground level

Supplying Fabricating and placing in position of HSD steel rods for reinforcement including the cost of steel and binding wire etc, complete as per standard specification.

Reinforcement Cement concrete 1 : 1.5 : 3 mix using 20mm gauge machine broken hard granite stone jelly for all RCC items of works excluding cost of reinforcement and fabrication charges etc

A, 1.5m to 4.5 Below G.L footing for rectangular portion

B, 0m to 1.50 below G.L

C, 0m to 4.5m from G.L

D, 4.50m to 7.32 m from G.L

E, 7.32m to 10.98m form G.L

Painting in two coats over outer wall surface with approved quality of Plastic Emulsion with colour over one coat of priming coat including cost of materials and labour charges etc.

Fabrication, supply delivery and fixing of out side MS ladder of 45 cm wide made out of 50x50x6mm MS angle for sides and steps in 16mm MS plain rods fixing at 30cm center to center welded, jointed etc., providing with sutable side support, clamps and locking arrangements provided with one coat of red oxide paint for provided access to roof top 30,000 lit capacity OHT of sutable inclined lenght including bottom anchorage and transportation of all etc

Providing and fixing of RCC inner access ladder in RCC 1:1.5:3 mix using 20mm metal for OHT including cost of reinforcement placing grill in position centering shuttering charges mixing of concrete curing etc.

Providing PVC ventilating arrangements mosquito proof nylon net with 110mm PVC cowl and as directed by departmental officers

Providing manhole cover of size 0.60 x 0.60m in RCC 1:1.5:3 with sutable reinforcement 50x50x6mm MS angle fixed along edges and as per departmental officers

Pipeline Arrangements 65mm dia GI pipe for inlet connection

65mm dia for over flow & rain water harvesting pipe

65mm dia GI pipe for scour pipe

65mm dia GI pipe for delivery pipe

65mm dia GI Tee

65mm dia GI Bend

65mm dia GM Gate valve

65mm dia GI threaded coupler

90mm dia PVC pipe (finolex 6 ksc)

90mm dia PVC Threaded coupler

Refilling the foundation with excavated earth including consolidation as per standard specification

Construction of infiltration well of 3.5m internal dia

Reinforced cement concrete in 1: 1 1/2: 3 using ordinary portlan cement and 20mm size hard blue granite stone (machine crushed) excluding cost of reinforcement, fabrication and placing the grills in position and excluding cost of shoring and strutting but including curing, finishing and mixing concrete using mechanical mixer machine and compaction by machanical vibrator etc., complete and as directed by TWAD Board Officers.

Sinking of 3.5 M internal dia and 4.50 M external dia below water level including all incidental charges in light (or) sandy soil

First Depth ( 0 - 2.00 )

Second Depth( 2.00 - 4.00 )

Third depth ( 4.00 - 6.00 )

Fourth depth( 6.00 - 8.00 )

Porous Concrete in CC 1: 4 ( one cement and four hard broken granite jelly size 20 MM) for steining of infitration well excluding cost of centering but including curing etc, complete and as directed by TWAD Board Officers.

Brick Work in CM 1: 5 ( one cement and five sand) using country bricks of size 22 X11 X5 CM for steining of 45 CM thick for infiltration well including curing etc complete and as directed by TWAD Board officers

Centering for sides and soffits of R.C.C items including strutting upto 3.3 mt height using MS sheets of size 90cmx60cm and stiffend with welded MS angle of size 25mmx25mmx3mm laid over silver oak (country wood) joists of size 10cmx6.5cm (space at about 90cm c/c) and supported by casurina props of 10cm to 13cm dia 90cmx60cm and BG10 guage (spaced at 75cm c/c) complying with standard specification etc., complete as directed by the TWAD Board Officers.

Plane Surface 0.00 - 3.30 M above GL

Curved Surface 0.00 - 3.30 M above GL

Supply, delivery, fabrication and placing in position of steel rod for reinforcement for binding ring, pillasters, roof slab, well curb including cost of binding wire and labour charges etc, complete and as directed by TWAD Board Officers

Plastering in CM 1:3 (one cement and three sand) 10 mm thick including curing etc, complete and as directed by TWAD Board Officers)

Plastering in CM 1: 5 (one cement and four sand) 20 mm thick including curing etc, complete and as directed by TWAD Board Officers)

Supply, delivery and fixing in position of 50 MM thick RCC Manhole cover of size 0.60 X 0.60 M with necessary reinforcement and MS angle of Size 50 X50 X 6 MM thick fixed alroud the edges of the slab complete and as directed by TWAD Board Officers

Supply, delevery and fixing of CI steps in position at 30 CM staggered manner and as directed by TWAD Board officers

Providing ventilating arrangements by fixing in position of 160 MM OD PVC 6 KSC pipe with PVC cowl and as directed by TWAD Board officers.

Providing confirmatory bores to ascertain sand depth and locating well site before commencing the work

Providing for cutting edge using 12 Guage MS sheets including the cost of fabrication, welding and placing in position in the curb including supply of MS sheet

Colour washing the outside of well plastered surfaces and side of the roof

Plugging the bottom of the well with coarse sand of approved sizes and grade and as directed by the TWAD Board officers

provition for the diversion of water flow by using the sand bags to safety of the execution zone and as per the standard specification

Functional Household Tap Connection(From PVC Pipe)

Providing suitable dia non corrosive engineering plastic moulded Clamp Saddle with SS 304 threaded metal inserted for tapping outlet suiting for ½”, 3/4” &1” clear bore and with wide plastic strap (Engineering Plastic) with SS 304 suitable bolts & nuts. Saddle to have sealing of Thermo plastic elastomeric (TPE) material around. 20mm (1/2”)

Supply, delivery and fixing of stainless steel flow control valve having stainless steel 202 Grade body and stainless steel ball in 304 Grade . The average flow rate of each model from 3 m to 12 m inlet pressure head to be tested and supplied with FCRI, Palakad and test certificate shall be furnished. The flow control valve shall have external threading and including packing, forwarding and transportation and as directed by the TWAD Board Officers.15mm size flow control valve with an average flow rate of 5-10 lpm.

Poly Propylene compression Female Threaded Adaptor with metal insert of SS 304 as per standards ISO 14236 and Tested as per BS 6920 in WRC-NSF LTD, UK for connecting 15mm, 20mm and 25mm outlet points of Brass ferrule of sizes 15mm, 20mm and 25mm respectively. (As Per Table 7.0 of TWAD SR 2017-18 For HSC items)20mm (1/2”)

MDPE PE 80 PN16 Blue pipe as per standards ISO 4427 and Tested as per BS 6920 in WRCNSF LTD, UK. (As Per Table 7.0 of TWAD SR 2017-18 For HSC items)

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 OD MDPE pipes. (As Per Table 7.0 of TWAD SR 2017-18 For HSC items)20mm (1/2”)

Poly propylene 90 Degree Compression elbow with compression joint at both ends as per standards ISO 14236 and Tested as per BS 6920 in WRCNSF LTD, UK suitable for 20mm, 25mm and 32mm OD MDPE pipes. 20mm (1/2”)

Supply and delivery of U PVC ball valve with one side compression end and other side female end as per ISO 4422-4 and Tested as per BS 6920 in WRC-NSF LTD, UK,size : 20mmx1/2" suitable for 20mm OD MDPE pipes.

Earth work excavation Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandyand depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches for laying of pipes for water supply in the following type of soils as directed by Departmental officers (As per Revised data 2017-18)

Lowering, laying and jointing of MDPE pipes upto 40mm Dia etc., complete

Refilling the basement with excavated Soil (other than sand) in layers of not more than 15cm thick, watering, well ramming, consolidating, complying with standard specification

Labour Charges of House Hold Connection including All Charges

Restoration of road cut portion

Construction of Granular Sub base by providing well graded material (25 mm to 4.75 mm IRC HBG metal @ 65 %,4.75 to 2.36mm IRC HBG metal @20%&2.36 mm below IRC HBG metal @15%)& (the material passing 425 microns sieve shall have liquid limit and plasticity index not more than 25 & 6% repectively) spreading in uniform layers with motor grader on prepared surface mixing by mix in place method with rotovator at OMC and compacting with three wheel 80-100 KN capacity and finished in accordance with the requirements of the specification and thickness as per approved plans or as directed by the Engineer (Mix -in - place method) .GRIII

Cement concrete 1:4:8 mix using 20mm ISS metal including cost and all cost and conveyance of materials and all labour charges etc complete

Cement concrete 1:2:4 mix using 20mm ISS HBG metal including cost and conveyance and all other labour charges etc complete.

Electro Chloranation Disinfection - common salt as per TWAD SOR - page no -57 clause 21.2

Name Board

5. To provide Functional Household Tap connection to Rural Households and extension of pipe line in Thenpalani at Kadamalaikundu panchayat

Providing GI Pipe line supply of 80mm GI pipe-

80mm GI elbow

80mm GI coupling

80mm GI gate valve

Laying and jointing the 80mm GI pipe line

Distribution line Earthwork

supply and delivery of 75mm Hdpe Pipe-Pn8

75mm HDPE bend

75mm HDPE Equal Tee

Laying and jointing the Hdpe pipe line

Re-filling with excavated earth as per standard spesification

Provision for 50 mm Water meter - TWAD SOR PAGE 81 , 16 clause

Water meter Dirt BOX

Fitting Charges of Meter in OHT Column

Distribution line Earthwork

supply and delivery of 63mm PVC-4Ksc

63mm PVC Elbow

63mm PVC Bend

63mm PVC Endcap

Laying and jointing the 63mm pvc pipe line

Re-filling with excavated earth as per standard spesification

supply of 80mm GI pipe-

80mm GI elbow

80mm GI coupling

80mm GI gate valve

Laying and jointing the 80mm GI pipe line

supply of 50mm GI pipe-

50mm GI elbow

50mm GI coupling

50mm GI gate valve

Laying and jointing the 50mm GI pipe line

Provision for 50 mm Water meter - TWAD SOR PAGE 81 , 16 clause

Water meter Dirt BOX

Water meter erection charges

Provision for pit for Water meter 90X75cm

Functional Household Tap Connection(From PVC Pipe)

Providing suitable dia non corrosive engineering plastic moulded Clamp Saddle with SS 304 threaded metal inserted for tapping outlet suiting for ½”, 3/4” &1” clear bore and with wide plastic strap (Engineering Plastic) with SS 304 suitable bolts & nuts. Saddle to have sealing of Thermo plastic elastomeric (TPE) material around. 20mm (1/2”)

Supply, delivery and fixing of stainless steel flow control valve having stainless steel 202 Grade body and stainless steel ball in 304 Grade . The average flow rate of each model from 3 m to 12 m inlet pressure head to be tested and supplied with FCRI, Palakad and test certificate shall be furnished. The flow control valve shall have external threading and including packing, forwarding and transportation and as directed by the TWAD Board Officers.15mm size flow control valve with an average flow rate of 5-10 lpm.

Poly Propylene compression Female Threaded Adaptor with metal insert of SS 304 as per standards ISO 14236 and Tested as per BS 6920 in WRC-NSF LTD, UK for connecting 15mm, 20mm and 25mm outlet points of Brass ferrule of sizes 15mm, 20mm and 25mm respectively. (As Per Table 7.0 of TWAD SR 2017-18 For HSC items)20mm (1/2”)

MDPE PE 80 PN16 Blue pipe as per standards ISO 4427 and Tested as per BS 6920 in WRCNSF LTD, UK. (As Per Table 7.0 of TWAD SR 2017-18 For HSC items)

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 OD MDPE pipes. (As Per Table 7.0 of TWAD SR 2017-18 For HSC items)20mm (1/2”)

Poly propylene 90 Degree Compression elbow with compression joint at both ends as per standards ISO 14236 and Tested as per BS 6920 in WRCNSF LTD, UK suitable for 20mm, 25mm and 32mm OD MDPE pipes. 20mm (1/2”)

Supply and delivery of U PVC ball valve with one side compression end and other side female end as per ISO 4422-4 and Tested as per BS 6920 in WRC-NSF LTD, UK,size : 20mmx1/2" suitable for 20mm OD MDPE pipes.

Earth work excavation Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandyand depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches for laying of pipes for water supply in the following type of soils as directed by Departmental officers (As per Revised data 2017-18)

Lowering, laying and jointing of MDPE pipes upto 40mm Dia etc., complete

Refilling the basement with excavated Soil (other than sand) in layers of not more than 15cm thick, watering, well ramming, consolidating, complying with standard specification

Labour Charges of House Hold Connection including All Charges

Restoration of road cut portion

Cement concrete 1:4:8 mix using 20mm ISS metal including cost and all cost and conveyance of materials and all labour charges etc complete

Cement concrete 1:2:4 mix using 20mm ISS HBG metal including cost and conveyance and all other labour charges etc complete.

Electro Chloranation Disinfection - common salt as per TWAD SOR - page no -57 clause 21.2

Name Board

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}

P Pandiaraj