CONSTRUCTION OF DRAIN FOR INTERCEPTION AND DIVERSION WORKS IN THIRUNINRAVUR MUNICIPALITY

Earth work open well excavation complying with relevant clauses of T.N.D.S.S. Well sinking and with lead upto 10 metre in sand, silt or other loose soil, Wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil - First depth of 2 metre.

Earth work open well excavation complying with relevant clauses of T.N.D.S.S. Well sinking and with lead upto 10 metre in sand, silt or other loose soil, Wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil - Second depth of 2-4 metre.

Earthwork excavating and depositing on bank with initial lead of 10 metres and lift of 2 metres in all kinds of soil except medium rock, dense medium rock and hard rock requiring blasting including refilling the sides of foundation with excavated earth in layers of 15 cm thick, watering and consolidation and depositing the surplus earth with in the compound in places as shown by the departmental officers with initial lead and lift, cleaning, leveling the site etc., complete complying with standard specifications -Storm Water Drain

Supplying and filling in foundation and basement with Crushed Stone Sand (M- Sand) in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.

Cement concrete 1:4:8 (One cement, four sand and eight hard broken stone) mix using 40mm guage hard broken granite stone jelly for foundation including watering wherever necessary and laid in layers not more than 15cm thick compacting etc.,complete complying with standard specifications and as directed.

Supplying and erecting centering for vertical plain/ RCC concrete walls of supply channel, retaining wall etc upto 90Cm height with necessary supports,all cross bracing with mild steel size of 90cm x60 cm and gauge BG 10 stiffened with welded mild steel sheet angles of size 25 mm x25 mm x3mm for bearing laid silver Oak/ Country wood joist of size 7.50 cm x5.0 cm spaced @ about 90 cm C/C and supported by Casurina props of 10 cm to 13 cm spaced @ 75 cm C/C etc,, complete complaying with standered specfications and as directed by the departmental officers.-FOR BASE SLAB

Supplying and erecting centering for vertical plain/ RCC concrete walls of supply channel, retaining wall etc upto 90Cm height with necessary supports,all cross bracing with mild steel size of 90cm x60 cm and gauge BG 10 stiffened with welded mild steel sheet angles of size 25 mm x25 mm x3mm for bearing laid silver Oak/ Country wood joist of size 7.50 cm x5.0 cm spaced @ about 90 cm C/C and supported by Casurina props of 10 cm to 13 cm spaced @ 75 cm C/C etc,, complete complaying with standered specfications and as directed by the departmental officers.-FOR VERTICAL SURFACE

Supplying and erecting centering for vertical plain/ RCC concrete walls of supply channel, retaining wall etc upto 90Cm height with necessary supports,all cross bracing with mild steel size of 90cm x60 cm and gauge BG 10 stiffened with welded mild steel sheet angles of size 25 mm x25 mm x3mm for bearing laid silver Oak/ Country wood joist of size 7.50 cm x5.0 cm spaced @ about 90 cm C/C and supported by Casurina props of 10 cm to 13 cm spaced @ 75 cm C/C etc,, complete complaying with standered specfications and as directed by the departmental officers.-FOR ROOF SLAB

Vibrated reinforced cement concrete M30 mix- (DESIGN MIX for 1 m3 of concrete using cement- 420kg, Sand- 760kg, 20mm ISS HBG metal- 654 Kg, 12.5mm ISS HBG metal- 416 kg, Water- 175 Liters, Concrete Admixture (FOSROC or PEDLITE)- 1.5 Lit) for all RCC works including cost and conveyance of all materials and cement to work site. The rates including all cost and labour charges for mixing the concrete, laying, vibrating, watering with all leads for good water and curing and compacting the concrete and all other incidental charges etc., complete such as working in heights, scaffolding charges etc., but excluding the cost of centering, cost of steel and fabrication charges etc., complete as per standard specifications (Sulphate Resistant Cement-SRC)

Providing and laying in position Standardised Concrete Mix M-20 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 325Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone Sand (M- Sand), but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers -