Construction of 100000 litre New OHT at K.Morur H- Colony H/o Kanavaiputhur Panchayat in Kadayampatti Block at Salem District -JJM -2022-23 Work No.09

Amount

Construction of 100000 liter over head tank at k morour h colony H/O Kanavaipudur.

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

Sand 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.

Cement concrete 1:1.5:3 mix using 20mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying, and curing etc complete for 10 cum

Below 1.5mto 4.50m

0m to 4.50m above GL

4.50 m to 7.32 m above GL

7.32 m to 10.98 m above GL

10.98 m to 14.64 m above GL

14.64 m to 18.30 m above GL

Supplying and erecting centering shuttering including necessary supports for planesurface in foundation and basement and in all floors for R C C column footing column plinth beam, beams, roof slabs, staircase steps, bed blocks, critical pier etcusing mild steel sheets of size 90 x 60 cm and 10 guage stiffened, welded with mildsteel angles of size 25mmx25mmx3mm for boarding laid over silver oak (countrywood) scantlings of size 10cm x 6.5cm spaced of about 90cm centre to centre andsupported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centrecomplete complying with standard specifications and as directed by departmentalofficers including conveyance of all materials to site and proper centering etc complete.

Plain Surface

Below GL

From 7.3m to 8.30m above GL

From 11.30m to 12.30m

Curved Surface - upto 3.30m ht.

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

7.31m to 8.30m ht

8.31m to 9.30m ht

9.31m to 10.30m ht

10.31m to 11.30m ht

11.31m to 12.30m ht

Curved Surface - upto 3.30m ht.

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.

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.

Construction of RCC Sprial stair case in R.C.C. 1:1.5:3 (M 20 using 20mm HBGS) of 1.8m dia of required height for approach to the roof of service reservoir with RCC Handrails as per type design No. Sanitary Engineeer/PH (M) No.18/64-65 Sanitary Engineer (PH) 3/64 including necessary earth work execavation in various soil met with at the site of work for providing foundation concrete in C.> 1:4:8 mix, RCC footing 1:1.5:3 mix G.L. platform etc. including the cost of steel,reinforcement ,fabrication charges,scaffolding ,centering etc., from floor slab to roof top. Supply, delivery and fixing of 32 mm GI pipes medium for hand rails from I stage to IVth stage. RCC M30 Grade mix for Landing slab 5 nos. at Ground Level- 1No. and above Ground Level - 4Nos. Supply and fixing of 32mm GI pipe medium for hand rails for the Landing slab. Supplying and fixing of MS Base plate of 100mm X 100mm X 6mm thick for fixing Anchore fastener bolt for fixing of hand rails at Landing slab and MS Ladder providing locking arrangements with two coats of approved enamel paint over one coat of red oxide paint as per approved Type Design and as directed by TWAD board officers

Providing RCC jolly works as hand rails at top of roof slab about 0.60m ht

Supplying and fixing in position of 0.60 x 0.60 m water tight CI manhole frame and cover of approved pattern at the roof slab and as directed byTWAD Board officers. The manhole frame and cover should be of light duty and confirming to I.S. 1726 /1974

Cut stone set in C:M 1:3 ( one cement and three sand ) using well dressed cut stone supporting inlet pipe of size 0.30 x 0.30 x o.15m for service reservoir as directed by TWAD Board officers.

Providing and fixing of RCC 1:2:4 ( one cement, two sand and four course aggregate of 20mm size hard blue granite broken stone ) for ventilators of approved pattern including cost of cement, reinforce ment, centering, shuttering, strutting etc, complete a officers

Supplying and fixing in position of RCC 1:1.5:3 of 20mm size HBG inside access ladder of approved design and pattern inside tank including cost of cement,reinforcement,centering ,shuttering ,strutting etc., complete as generally shown in the plan 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 scour pipe

65mmgi 90 bend

65mm GM gate valve

65mm GI pipes for scour pipe

65mmgi 90 bend

65mm GM gate valve

Supply and delivery of 63mm OD 6 KSC PVC Pipe as per ISI Marked Standarad specification.

Supply and delivery of 63mm PVC MTA

Supply and delivery of 63mm PVC Elbow

Earth work excavation and deposting on bank with an initial lead of 10m & lift of 2m for pipe laying works with standard trench width and depth etc., complete

Lowering PVC pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste.

Refilling the excavated earth as per the standard specifications (63mm)

sub estimte

125mm sluice

100mm sluice

80mm scour

Surface fox

Provision for Lightening arrester

Conducting SBC test

Levelling the Site

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}

K GOVINDAN