Renovation of New Kattalai High Level Canal (NKHLC) from mile 58/2 to 59/1 of Kumbakudi Village of Thiruverumbur Taluk in Trichy District

Amount

Earthwork excavation for foundation in all kind of soils and sub soils to full depth except hardrock,medium rock,requiring blasting inclusive of shoring,strutting and bailing out water wherever necessary,refilling the sides of foundation with excavated earth in layers of not more than 15cm thick well rammed and compacted and depositing the surplus excavated earth in places shown by the departmental officers with initial lead of 10 meters and initial lift of 2 meters clearing and levelling the site complete complying with standard specifications and as directed by the Departmental Engineers. (Narrow excavation)

HGS SS.20.B. Earth work excavating and depositing on bank with initial lead of 10 m & initial lift of 2m in Hard stiff clay, stiff black cotton, hard red earth, shales,murram, gravel, stoney earth and earth mixed with small size boulders etc.., complete complying with standard specification and as directed by the departmental officers.(Open Excavation)

Dismantling, clearing away and carefully stacking material and without disturbing nearby structure useful for reuse for any thickness of brick or stone masonry in Cement Mortar walls under 3 (Three) metres high etc, complete as directed by the Engineer in charge of works and as per the technical specifications

Supplying and packing of gravel on the slope of the bund etc., complete complying with standard specifications and as directed by the Departmental Engineers.

Providing and placing Plain cement concrete M10 grade using crushed broken hard granite course aggregate (well Graded) of Nominal maximum size of 40mm to Ls specified grading (to achieve the specified characteristicik strength of 10N /mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by baling (pumping and dewatering wherever necess eng placing in layers and vibrating water curing finishing hte surface with all leades and lifts etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Supplying and erection of steel centering for sides and soffits without strutting up to 3m height for plain surface with all cross bracings using Mild Steel sheets of size 90cm. X 60cm. thickness of and B.G.10 stiffened with welded Mild Steel angles of size 25 X 25 X 3mm for boarding, laid over country wood joists of size 10cmX 6.5cm spaced at 90cm. Centre to centre and supported by casuarina props of 10 to 13cm dia (spaced at 75cm) Centre to centre etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Providing and placing Plain Cement concrete M15 grade using crusher broken ard granite course ageregate (well graded) of nominal maximum size of 40% of 20mm and 60% of 40 mm down graded to IS specified grading (to achieve the specified characteristic strength of 15N/mm2 in 28 days) and mixing the ingredients in approved mixer placing in layers and vibrating , water curing, finishing the surface with all leads and lifts etc, complete in all respects so as to attain the profile and strength specified in the approved drawing and specifications etc., complete complying with standard specifications and as directed by the Departmental Officers

Providing and laying in position, standardised concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS 456 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 Cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 Cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

Supplying fabricating and placing in position of Mild Steel (MS) or Ribbed Tor Steel (RTS) of grills for all R C C works including cost of steel, binding wire and labour charges for decoiling cutting, bending and tying the grills etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Casting of precast cement concrete slabs of size 30 x 30 x 10 Cm in Plain Cement Concrete of mix 1:2:4 (One cement, Two sand and Four aggregate) using 20mm size hard broken stone jelly and mixing the concrete and laying the concrete in steel moulds after oiling them properly at casting yard and vibrating finishing the top surface smoothly placing the slab along with the mould and base plate in the casting year, removing the mould carefully after initial setting, placing, the slab in the curing bond after 24 hours from the time of casting, removing, them from the curing, pond after 7 days of curing, stacking them in the stacking yard with in a lead of 100m and curing them from the full period by sprinkling water as directed by the Departmental Officers. Then conveying the precast Cement concrete slabs from the casting yard as specified in the leads statement to the work site including all charges such as for loading at casting yard, conveying the slabs and unloading to the work site and laying the precast cc slabs in the slope of the canal / river to the correct alignment and section of the canal / river with joints not exceeding 6mm, packing with Cement mortar 1:3 (One cement and Three sand) and doing simultaneous flush pointing with the same mortar to full depth of slabs and finishing neatly and curing for 21 days as directed the Departmental Officers excluding the sleeper and the charges for laying the binders if any involved in the work complying with standard specification. Water proofing compound used in Cement Mortar etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Formation of binder wall of Size 30cm with and 45cm depth using PCC slabs of size 30X30X10cm as per Standard specification CC Blocks (Including casting, conveyance and laying) etc., complete in all floors complying with standard specification and as directed by the departmental officers.

Plastering the surface of walls with Cement Mortar 1:3 (One Cement and Three Plastering Sand) 20mm thick mixed with water proofing compound conforming to BIS at 2% by weight of cement used including finsihing, curing, etc., complete in all floors complying with standard specification and as directed by the departmental officers.

Old Precast Cement Concrete Block of size 30x30x15cm from the casting yard as specified in the lead statement to the work site including all charges such as for loading at old site, conveying the blocks and unloading to the work site and laying the precast cement concrete block in the slope of the canal / River to the correct alignment and section of the Canal / River with joints not exceeding 6mm, packing with cement mortor1:3 (One Cement and Three Sand ) and doing simultaneous flush pointing with the same mortor to full depth of blocks and finishing neatly and curing for 21 days as directed by the Departmental Officers, Excluding the sleeper and the charges for laying the binders if any involved in the work complying with standard specification,. Water proofing compound shall be used in cement mortor as per standard specification

UGT/OHT (inside) waterproofing with Antimicrobial Coating Waterproofing: Providing and Applying CFTRI approved two component flexible polymer modified acrylic cementitious waterproofing coating with a mix ratio of (5 Liquid :7 Powder) to the RCC surface of the UGT/ OHT tank applied @ 2.2kg/m2 in 2 coats to achieve 1.2mm DFT, having Elongation at break >120% as per ASTM D 412, Tensile strength >1N/ mm2 as per ASTM D 412, Adhesion strength: 0.80N/mm2 as per ASTM D 4541, crack bridging upto 2mm as per ASTM C 836. The finished cost to include surface preparation, making coving of 50 mm X 50mm at all right angles of wall Junction with Polymer Repair Mortar and lay 45 gsm glass fibre mesh over the angle fillet when the first coat in still wet, treatment of cracks completely as per specification. Followed by applying 15 mm thick dimensionally stable fibrous reinforced cementitious structural grade dual shrinkage Polymer Mortar on as rotective plastering @ 29kg/m2. The material having Compressive strength of 38 MPa at 28 days as per EN 12190, Adhesive Bond Test, >1.5 Mpa as per EN 1542, followed by Water curing by sprinkling water for 3 times a day for 5- 7 days. Followed by applying two component, water-based food grade epoxy resin coating on inside surface of Potable water tank having antialgae, antifungal, Non-toxic, hygiene cum damp-proof coating Certified by CFTRI as per 21 CFR 175 – 300 of US – FDA, having mixing Ratio (Base: Hardener: Water) – 1:1:1 to be applied @ 0.35 Kg/m2 in 2 coats. Ensure that this coating is applied over the protective plaster. The Waterproofing material shall have Specific Gravity: 1.2, Water vapor permeance: 244.48 g/m2/24 hrs, as per IS 7809/Pt 2/1977, Adhesion strength: 2 N/mm2 as per ASTM D 4541: 02. The finished cost to include surface preparation completely as per specification

Expansion Joint Treatment with Seal Tape Providing and laying with 1.0 mm thick FPO membrane to seal the expansion joint. The tape having mechanical properties like, Elongation>500%, Tensile Strength >12N/mm2, Tear Strength >200N, Water tightness 400 kPa/72hrs confirming to DIN EN 1928-B. Ensure that apply Two part Epoxy Adhesive @ 1.4kg/m to get 1-2mm thick on the prepared surface before placing the tape and after placing seal with same epoxy adhesive which having Bond Strength with concrete 1.5N/mm2, Compressive Strength @ 7 days, ≥45N/mm2 as per BS 6319 Part 2, Tensile Strength @ 7 days, ≥18N/ mm2 as per BS 6319 Part 7, Shear Strength @ 7 days, ≥8N/mm2 as per BS 6319 Part 4, Flexural Strength @ 7 days, N/mm2 as per BS 6319 Part 3. The finished cost including surface preparation, filling foam backer rod, applying masking tape on both sides of the joint & polysulphide sealant filling on gap completely as per specification.

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 0 to 100 metre deploying earth moving machinery and tippers including benching, formation of bunds, breaking clods, sectioning, Compacting with power roller etc., complete including coveyance through lorries with a lead of 5km including loading and unloading etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

GST at 18%

V.JANARTHANAN (BID ID -1459493)

K ELAMPARITHI (BID ID -1459067)