Construction od 10,000 Litres OHT at Kulaparai Habitation Pilavilai in Mancode Village Panchayat at Melpuram Panchayat Union.

Amount

Construction of 10000 litres OHT

Earth work excavation and depositing on bank with and initial lead of 10m and lift of 2m in the following classification of soils and directed by the TWARD BOARD officers.A) hard stiff clay black cotton hard red earth shales murram ordinary gravel, stoney earth and extra mixed with small size boulders for foundation SS 20B

First depth of 2M for GL brace

Second depth of 1 M

Sand filling 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 mix using 40mm gauge hand broken granite stone jelly for foundation including watering wherever necessary and laid in layers not more than 15cm thick completed etc, complete complying with standard specification and as directed.

Cement concrete 1:1.5:3 using 20mm ISS HBG metal for all RCC item of works excluding cost of Rein forcement and fabricating charges, centering and shuttering but including curing and providing fixtures like fan clamps in the RCC floor or roof slabs wherever necessary and bearing surfaces of walls , sides and bottom of the slabs, beams etc., shall be finished smooth with cement mortar 1:3, 12mm thick. and with kraft paper without claiming extra as directed by the departmental officers complete complying with standard specifications. Rate for 10m3

a)0-1.50m below

b)1.5-4.50m above GL

for items 0m to 4.5m from G.L

for items 4.51m to 7.32m from G.L

for items above 7.32m to 10.98m from G.L

Supplying & Erecting centering for sides & soffiots including necessary supports & strutting for plane surfaces in all floors with all cross bracings using mild steel sheets of size 90 x 60cm & 10 gauge stiffened, welded with steel angle of size 25 x 25 x 3mm for boarding laid over silver oak joists(Country wood) of size 10 x 6.5cm spaced @ about 90cm c/c and supported by casurina props of 10 - 13cm dia. spaced @ 75cm c/c etc., complete complying with standard specifications and as directed by the departmental officers. Rate for 10m2.for the following items.(RCC plinth beam grade beam etc., ).

Plane Surface

Below G.L

G.L to 3.30m

Curved surface

Square column

Below G.L

Ground level to 3.30 m

Supplying fabricating and placing in position mild steel or ribbed for steel for all reinforced centre concrete works as per the design given including cost of steel and binding wire in all floors etc, complete complying with standard specification.

Painting two coats with approved cement paint over the new plastered surface including materials and labour cost etc complete

Fabrication and supply delivery and fixing of outside MS ladder made with a width of 45cm to the following length mad out of 50x50x6mm MS angle for sides and steps in 6mm MS plain rods dixed at 30cm centre to centre welded, jointed etc, Providing with suitable side supports clamps and locking arrangements providied with one coat of red oxied paint to MS ladder for 10000 litre. capacity OHT inclined length including bottom anchorage and transportation and ad directed by TWARD Board officers.

Providing and fixing of RCC inner access ladder with RCC 1:1.5:3 using 20mm HBG stone for OHT including casting reinforcement placing grill in position centering shuttering charges, mixing concrete curing etc to required height and clear withdth of 45cm consisting of two nos of vertical pot of 10cmx 15cm an dstep slab of 25mmx 25mm etc complete and as directed by Tward Board officers.

Providing PVC ventialting arrangements mosquito proof nylon net with 110mm PVC cowl and as directed by TWAD BOARDS OFFICERS,

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

Refilling the excavated earth in layers not more than 15cm thick well rammed and consolidated and all labour charges etc

Provision for pipe connection arrangements for inlet,outlet,scour and overflow etc including cost of pipe, specials, labour charge for lifting,aligning,cutting,threading,fixing and painting on GI pipes as per specification etc

80mm dia GI Threaded nipple

80mm dia GI Tea

80mm dia GI 90 degree bend

80mm dia GI coupling

80mm dia GI union

80mm dia GI elbow

80x65 mm dia GI reducer

80mm dia Gm gate valve

90mm pvc pipe

Earth work excavation and depositing on bank with initial lead of 2m narrow trenches for laying of pipes and refiing earth for water supply works in the hard stiff clay black cotton hard a earth mixed with small size boulders and gravelly soil as directed by the departmental officers

Supply and delivery of following Pipes and specials

75mm 6ksc pipe

63mm 4ksc pipe

75mm pvc elbow

75mm PVC MTA

65mm GI Pipe

65mm GI Gatevalve

65mm GI coupling

65mm GI Elbow

65mm GI Tee

Lowering the following pipes into trenched for proper grade and alignment etc

75mm PVC pipe

63mm PVC Pipe

65mm GI Pipe

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}

N.Vinu