Demolishing and Re Construction OHT 50000 Litre Capacity 12m Staging Height at Therkupatti in Ward No 25 , Melur Municipality

Amount

Earthwork excavation and depositing on bank with an initial lead of 10m and lift of 2m in the following classification of soils as directed by TWAD Board officers. Hard stiff clay, block cotton, hard red earth shales, murram, ordinary gravel, stoney earth and earth mixed with small size boulders for foundation SS 20B

First depth of 2m

Second depth of 1m

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

Cement concrete 1:4:8 (one cement four sand and eight aggregates) using 40mm HBGS for levelling course for foundation including the cost of mixing concrete, ramming, curing etc., complete as directed by TWAD Board officers. Beyond 1.5m to 4.5m

RCC in M30 GRADE using graded aggregtes of HBGs excluding cost of reinforcement, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishing, curing etc., complete as directed by TWAD Board officers.

For items 1.5m to 4.5m below GL

FOOTING

Total

For items 0 to 1.50m below GL

Total

For items 0m to 4.5m above GL

Total

For items 4.51m to 7.32 m above

Total

For items above 7.32 m & up to 10.98 m from GL

Total

For items above10.98 m & up to 14.64 m from GL

Total

For items above14.64 m & up to 18.30 m from GL

Total

Supplying and erecting steel centering for sides and soffits I including necessary supports' and shuttering to the required height for RCC items using MS sheets of suitable size of BG.10 stiffeneq with welded MS angles of size 25mm x 25mm x3mm of boarding, laid over silver oak joints of size 10cm x 6.5cm spaceqat 90cm centre to centre and supported by casuarina props of 10cm to 13cm dia spaced at 75cm centre to centre complying with standard specifications etc., complete and as directed by TWAD Board officers.

PLANE SURFACES

Below GL

Total

Total

Total

Total

Total

Curved Surface

Total

Square column

Total 0 to 3.30 m

Total 0 to 3.30 m

Painting two coats of newly plastered wall surface with ready mixed Cement paint of first quality and of approved colour over a priming coat including preparing the surface, clean removal of dirt and including necessary plaster of paris putty wherever required etc., complete complying with standard specification.

Total

Supplying, fabricating and placing in position of HSD steel rods for Reinforcement including the cost of steel and binding wire etc., complete and as directed by TWAD Board officers.

Steel rod (Upto 16mm)

Steel rod ( Above 16mm)

Fabrication, supply, delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50 mm x 50mm x 6mm MS angle for both sides and for steps at 30cm C/C welded jointed etc ., for I staging from GL to 1st level brace (weight 4.5kg/m) IInd and IIIrd staging upto floor slab and IVth staging 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 and fixing of RCC inner access ladder in RCC 1:1.5:3 (one cement, one and half sane! and three aggregates) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete curing etc., to required height and clear width of 4Scm consisting of two Nos. of ve~ical post of 10cm x lScm and step slab of 2Smm x 25mm etc., complete and as directed by TWAD Board officers. Providing PVC ventilating arrangements mosquito proof nylon net with 1l0mm PVC pipes and cowl and as directed by TWAD Board officers. Providing cut stone slab in CM 1:3 and as directed by TWAD Board officers. - 3.95 m ht

Providing GI arrangements mosquito proof nylon net with and as directed by TWAD Board officers

50 mm G.I. Pipe

50 mm G.I. Tee

50 mm G.I.Hex Nipple

50 mm G.I. Elbow

Providing and fixing of cut stone (Roughdressed) set in CM 1:3 of size 0.45 X 0.45 X 0.15M at site including cost of all materials, labour charges, curing etc., complete and as directed by TWAD Board Officers.

Providing manhole cover of size 0.60 X 0.60M heavy duty directed by TWAD Board officers.

Painting TWAD Board emblem 1 x 1 on the SR with enamel paint as per Board's specification and as directed by TWAD Board officers

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

65mm Ø GI pipes for inlet 1xl connection

65mm Ø GI pipes for over flow

50mm Ø GI pipes for scour pipe 1xl

65mm Ø GI pipe for delivery 1x1 pipe

90mm Ø PVC Threaded coupler

75 mm Ø PVC threaded coupler

65mm Ø GI Tee

65mm Ø GI 90 Bend

65mm Ø GI coupler

65mm Ø GI union

65mm Ø GI Elbow

65x50mm Ø GI Reducer - Medium

75mmx 63mm PVC Reducer

75mm PVC Threaded coupler

75x90 PVC Reducer

75x63 PVC Reducer

65mm Ø GM Gate valve

50mm Ø GM gate valve

Provision for Labour charges for pipe connection works

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

Provision forLoad bearing test

Syedsirajudeen (BID ID -1161554)