Tiruppur Corporation_ Retro fitting of existing water supply pipe line from AVINISHI TO METTUPALAYAM ROAD (From 28 / 4 to 38 / 2 KM) due to four laning works by Highways Department, Mettupalayam Sub Division in Coimbatore Division.

Amount

Earth work excavation or foundation and all soils and sub soils depositing on bank with an intial lead of 10m and initial lift of 2m in Hard stiff clay,stiff black cotton, hard red earth,shales,murrams,gravel,stoney earth,and earth mixed with small size boulders and hard gravelly soil etc complete

First depth of 0 m to 2.00 m below GL

Column Footing 2nd Depth of 2.00 m to 3.00 m below GL

Earth work excavation for foundation in soft disintegrated rock laterite, soft rock or kankar not requiring blasting ctc., depositing on bank with an intial lead of 10m and initial lift of 2m in Hard stiff clay,stiff black cotton, hard red earth ,shales,murrams, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil etc complete

First depth of 0 m to 2.00 m below GL

PCB - Column Pits‐ 3.00 m to 4.00 m

Earth work excavation for foundation in medium rock and densc medium rock not requiring blasting ctc., depositing on bank with an intial lead of 10m and initial lift of 2m in Hard stiff clay,stiff black cotton, hard red earth,shales,murrams,gravel,stoney earth,and earth mixed with small size boulders and hard gravelly soil etc complete

2-nd depth of 2.00 m to 3.00 m below GL

Removing hard rock by wedging,chiselling and trimming to proper shape where blasting is prohibited etc., complete complying with standard specification

2-nd depth of 2.00 m to 3.00 m below GL

3.00 m to 4.00 m Below GL

4.00 m to 5.00 m Below GL

Supply,delivery of 1422 MM M.S PIPE in as per IS 3589/2001 with internal lined with plant applied cement mortar lining 1;2 thk range 6mm to 12mm is-3589;2001 , externally coated with plant applied cm 1;3 minimum 20 mm thk including reinforcment as per clause A-p of ANNEX-A OF IS 3589;2001 and as directed by officers,

Supply,delivery of following size M.S PIPE in as per IS 3589/2001 bare pipe fabricated with FE410 grade with external coal tar enamel wrapping as per is-15337-2013 and as directed by officers,

219 Dia 6.3 mm Thickness MS pipe

610 Dia 12.5 mm Thickness MS pipe

Lowering of M.S pipes and specials into the trenches and laying to proper grade and alignment and as directed by the officers

1422 mm x 12.5 mm MS pipe

610mm x 12.5 mm MS pipe

219mm x 6.3 mm MS pipe

Welding the joints of MS pipes with approved quality electrodes one pass inside and two pass outside including cost of electrodes,hiring of welding machines with D.G set etc complete as directed by the engineer incharge

1422 mm x 12.5 mm MS pipe

219mm x 6.3 mm MS pipe

610 mm x 18 mm MS pipe

Testing of 1422 mm dia MS pipes with hydraulic testing equipment by filling with water (including cost of water @ Rs.60/KL) and testing to recommended pressure in convenient stretches and attending the bursts if any occurred during the test excluding the cost of pipe -1422mm dia MS pipe

Fabrication , casting of 200 MM 90 deg bend, flange, gaskets, bolt and nuts incuding cost of welding consumables, manpower, crane cost etc,. as directed by the engineer incharge.

Fabrication , casting of 600 MM 90 deg bend, flange, gaskets, bolt and nuts incuding cost of welding consumables, manpower, crane cost etc,. as directed by the engineer incharge.

Barricading work (where the lines are in narrow width of Municipality areas, busy street like market, bus standand highways etc,.) for laying of pipe line using casurino poles at 1.50 m centre to centre (8.00 cm to 10.00 Cm dia and 1.80 m height) vertical with horizontal force in two rows ,painting the vertical force in the road faceing sides with ready mix paint, tying the verical and horizontal poles with coir rope including supply delivery and fixing GI sheets (0.90 mX 0.80 mm thick the horizontal force and fixing 75 mm dia. reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by the departmental officers

Plain Cement concrete 1:4:8 [one cement, four sand and eight course aggregates] using 40mm size Hard Broken/Machine crushed Granite Stone Jelly including dewatering if found necessary and laid in layers of not more than 15cm thick and compacted etc., complete complying with standard specification.

Foundation-Above 1.5 m to 4.5 m belowGL

Supplying and erecting centering including necessary supports for the plane surfaces such as Drainage & Culvert Retaining walls, Column Footing, Plinth Beam, & Sill Beam etc., using mild steel sheets of size 90cm x 60cm and BG 10 stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding supported by casurina props of 10cm to 13cm dia spaced at suitable intervals etc., complete complying with standard

Up to 3.30 m below GL

Footing Sides Allround- Square Column

For Circular Columns

Up to 3.30 m above GL

Plain surface- Thirust block

For Circular Columns

From 3.30 m to 4.30 m above GL

For Circular Columns

From 4.30 m to 5.30 m above GL

For Circular Columns

From 5.30 m to 6.30 m above GL

For Circular Columns

Plain surface- Beam and Cantilever slab

Plain Cement concrete 1:2:4 [one cement, two sand and four course aggregates] using 20mm size Hard Broken/Machine crushed Granite Stone Jelly including dewatering if found necessary and laid in layers of not more than 15cm thick and compacted etc., complete complying with standard specification.

Thrust block and Scour pipe encasing concrete at GL

Providing and laying in position standardised Reinfored Cement Concrete M20 Design Mix (concrete mix M-20 Grade) in accordance with IS 456-2000 using 20mm and down graded hard broken jelly for all RCC items of works with minimum cement content of 3250kg/10cum and maximum water cement ratio of 0.50 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without impairing strength and durability with about (5.0cum) 7730kg of 20mm machine crushed stone jelly and with about (3.30cm) 5156kg of 10-12mm machine crushed stone jelly and with about (4.79cum) 7760kg of 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 directed by the departmental officers. The Coarse and fine aggregates to be used should comply with the requirements of IS standards

1.50 to 4.50 m Below GL- Footing and Circular Columns

Up to 1.50 m Below GL - Circular Columns

Upto 4.50 m Above GL - Circular Columns

4..50 to 9.0 m Above GL - Circular Columns, Beams and Cantilever slab

Supplying, fabricating and placing in position of Steel Reinforcement using Mild steel or Ribbed tor steel rods, for all RCC works as per the design given by the departmental officers including cost of steel and binding wire and all labour charges for cutting, bending, tying and placing in position etc, complete as per standard specification.

Supplying, fabricating, erecting structural steel work for Hand rail welded or bolted type using MS channels, angles, plates and round bars etc., conforming to IS specification including primer coating and enamel painting as per design given by the departmental officers etc., complete as per standard specification.Hand rail with inter link bar at 1.00 m interval of 0.90 m height on both side and M.S. Clamps for pipe

Refilling the trenches with excavated earth ( other than sand) in layers and watering,ramming and consolidation as per standard specification etc complete and as directed by Engineer in charge .

Dismantling the existing Plain Cement Concrete for existing Airvalve and scour valve Chambers including removing the debris from the site and stacking useful material at work site for reuse etc., complete complying with standard specification

Dismantling the existing Reinforced Cement Concrete for existing Airvalve and scour valve Chambers including removing the debris from the site and stacking useful material at work site for reuse etc., complete complying with standard specification

Constuction of RCC valve chamber of following specification. A base concrete should be Pcc 1:4:8 mix using 40 mm metal to a thickness of 10cm.The base slab of the chamber should be 15cm thick and the side wall 15cm thick on all sides and the cover slab should be RCC M30.Necessary earth work should be done with enough space for outer centering and fixing of 60cm X 60 cm CI man hole cover with frame etc complete as directed by the engineers.

Inner size- 1.50x1.50x2.00 m ( for 200 mm dia Air valve for 1400 mm dia pipe )

Inner size- 2.00x2.00x3.00 m ( for 600 mm dia sluice valve for 1400 mm dia pipe )

Dismantling the existing Air valve & scour valve in proper maner including labour charges with necessary tools and plants etc complete as directed by engineer in charge

Supply delivery and fixing of 200 mm dia Tamper proof DI single chamber double orifice trible function ( veltilating admitting and ventilating during operation) Air release valves pressure rating PN 10/16 with body and cover made of ductile iron of grade 3G 40 or GGG50 , confirming to IS 1865 with food grade epoxy coating inside and for outside of colour blue RAL 5005 . all internal parts such as flot shell etc,. cover bolts made of Austenitic alloy steel of AISI#)$/316 gaskets and seals of EPDM / Neoperm rubber for TWAD board works any where in Tamilnadu and with 5 years guarenty etc., as directed by the engineers.

Supply delivery and fixing of 200 mm dia DI D/F Gate (Sluice valves (soft seated resilient seated soft sealing Gate valves (Sluice Valves) with body bonnet of Ductile cast without glant packing and with 3.0 Ring fully rubber lined with RDPM replaceable spindle nut without gland packing and with 3 o - ring protection on the shaft and seals of NBR and the valves should be of vacum tight and 100 % leak proof with facedimensions as per the BS 5163-89/ IS 14846-2000/DIN3202 F$, All the valves should be with electrostatic poder coating both inside and out side with pocket less straight through body passage. All the vaves are to be comatible for burried application with pressure rating PN10 / 16 and with 5 years warrenty.

Supply, delivery and fixing of 600 mm dia CI D/F sluice valve with cap/ wheel as per IS 14846/2000 PN 2.0 with isi marking with necessary rubber insertions, bolts & nuts including loading, unloading and transporting charges etc., complete as per standard specification and as directed by engineers of the following sizes.

Providing and maintaining of the coffer dam for protective foundation including cost and conveyance of quarryfine ( stone dust) and empty bag including filling charges for gunny bags, threads, neddle, stitching charges and labour charges for posioning the site to complete as directed by the departmental officers

Dewatering using 3hp to 70hp diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump,operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Hire charges for Diesel pumpset for 10 HP

Hire charges for Diesel pumpset for 20 HP

Cleaning the heavy jungle at pipe laying and valve fixing areas etc., complete

Add GST @ 18%

Koya and Company Construction Limited (BID ID -1351794)