JJM 2024-25 - Salem Block - Construction of 100000 liter Over Head Tank at Selathampatty H/O Selathampatty Selathampatty

Amount

Construction of 100000 liter Over Head Tank at Selathampatty H/O Selathampatty

Earth work excavation and depositing on bank with initial lead 10m and lift of 2.0m in the following classification of soils, bailing out water whereever neceessary including providing danger lights etc and as directed by TWAD Board officers as per spec

Hard stiff clay, stiff block cotton, hard red earth, shales, murrams, gravely stoney earth mixed with 50% small sized boulders and hard gravelly soil

a) I st Depth of 2.0m

b) 2nd depth of 1.0m

Sand filling for foundation with river sand including consolidation ramming etc,.

Cement concrete 1:4:8 (one cement, four sand, and eight course aggregate of 40mm size hard blue granite broken stone ) for levelling course including the cost of mixing, placing the concrete in position, consolidating finishing and curing etc, complete

RCC M30 concrete using 10 mm and 20 mm HBG sstone excluding steel, centering,chargesbut including mixing and curing etc complete.

A)Below 1.50m to 4.50m depth from G.L

B)Above G.L upto 4.50 ht

C)Column 4.50m to 7.32m ht above G.L

D) column 7.32m to 10.98m ht above G.L

E) column 10.98m to 14.64m ht above G.L

F) column 14.64m to 18.63m ht above G.L

Centering for soffits of reinforced cement concrete slabs or plain surface including strutting upto 3m ht, using M.S sheet of size 90cm x 60cm and BG. 10 gauge stiffened with welded M.S angles of size 25mm x 2mm x 3mm laid over silver oak (country wood) g

I) Plain Surface

A) From G.l upto 3.3m ht

B) From 3.3m to 4.3m ht

C) From7.30m to 8.30m ht

D) From 11.30m to 12.30m ht

II) Curved Surfaces

a) Upto 3.30m ht from Floor Level

b) From 11.30m to 12.30m ht from floor level

II) Square Column:

A) Upto 3.30m ht

B) From 3.30m to 4.30m ht

C) From 4.30m to 5.30m ht

D) From 5.30m to 6.30m ht

E) From 6.30m to 7.30m ht

F) From 7.30m to 8.30m ht

G) From 8.30m to 9.30m ht

H) From 9.30m to10.30m ht

I) From10.30m to 11.30m ht

J) From 11.30m to 12.30m ht

II) Circular Column:

A) Upto 3.30m ht

B) From 3.30m to 4.30m ht

C) From 4.30m to 5.30m ht

D) From 5.30m to 6.30m ht

E) From 6.30m to 7.30m ht

F) From 7.30m to 8.30m ht

G) From 8.30m to 9.30m ht

H) From 9.30m to10.30m ht

I) From10.30m to 11.30m ht

J) From 11.30m to 12.30m ht

Painting two coats with approved cement paint best quality over the outer wall surface including cost of cement paint etc. complete complying with standard specification as directed byTWAD Board officers..

Supplying, fabricating and placing in position of RTS grills for reinforcement for various members including cost of steel for all RCC works as directed by TWAD Board officers. The rate to include the cost of binding wire also.

a) Upto 16 mm RTS rod

B) Above 16 mm RTS rod

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.,

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

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.

Labour charges for OHT connection for inlet,outlet,overflow,and Bypass including

65mm GI pipes

65mm GI 90º Bend

65 mm GM GATE VALUE

OUTLET CONNECTION

65mm GI pipes

65mm GI 90º Bend -

65 mm GM GATE VALUE

Scour

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)

Construction of Masonry valve pits as per type design

125mm sluice valve pit

100mm sluice valve pit

80mm Scour valve pit

Supply and delivery of CI Surface box as per spcification

Surface box

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}

GOVINDARAJ MYTHILI (BID ID -1102104)