Fifth Revised estimate...Canal network in Goa.Reg. Strengthening of Existing Canal by Providing Cement Concrete Lining from Ch.13.378 Km to Ch. 21.014 Km and Construction of Balancing Reservoir/ RCC Storage Tank at Cuchelim in Bardez Taluka.

Amount

Demolishing cement concrete 1:3:6 or richer mixincluding disposal of material within 50 m lead.

Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in: a) All works upto plinth level

Providing and laying 100mm thick reinforced cement concrete canal lining with M20 design mix RMC (Ready Mixed Concrete) of cement content not less than 400Kg/m3 laid with sensor controlled automated canal paving cylinder type machine to the required grade, level and alignment. The RMC to be manufactured with Ordinary Portland Cement manufactured in fully automatic batching plant and transported to site of work in transit mixer having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work including pumping of RMC from the transit mixer to the site of laying including the cost of centering, shuttering finishing and HYSD/TMT steel reinforcement of 8 mm tor dia @180 mm c/c in both directions as per drawing enclosed confirming to IS 1786 of 1986, cost of admixtures in recommended proportions as per IS : 9103 to accelerate/retard setting of concrete, improve workability without impairing strength and durability including adequate curing filling of joints with bituminous sealing compound in construction and expansion joints/groove as per IS code 3873-1978 with all lead and lift, all included as per the detailed specifications, drawings and as directed by Engineer-in Charge complete.

Providing and laying laterite boulder masonry 22.50 cm thick of approved quality in cement mortar 1:5 (1cement:5 sand) in canal section including supply of boulder, excavation and preparing surface etc. complete as per detailed specification , drawing with all lead and lift and as directed by the Engineer-in-charge.

Earthwork in excavation in aqueduct portion, in saturated soil upto a depth of 1.5 m lift upto 3.0 m including shoring, strutting and pumping or bailing out water including necessary lighting arrangement ,scoop oxygen etc.disposal of excavated earth including lead & lifts disposed earth to be neatly dressed and leveled complete and as per the direction of Engineer in charge etc.

Providing & grouting by Poly Ceramic Cementitious material which consists of NicGrout G 06 + 53 grade cement or equivalent as per requirement to reduce the porosity of concrete / Masonry structure and to increase the strength of structure using grouting pipes, grouting m/c, mixer etc. and all relevant safety with all leads and lifts, material, machinery, labour, etc. Complete as per specification and as directed by Engineer-in-Charge.

Providing & Applying impermeable, high compressive strength, monolithic application, excellent bond strength, high abrasion resistance, UV resistance, non-toxic polymer based cementitious mortar named as Poly Ironite Ceramic Cementitious (PICC) ,which consists of Nicomix 100 + 53 Grade Cement + Water for resurfacing of concrete surfaces to a thickness upto 10 mm or as per surface conditions and also treatment of honey combing areas etc. Cleaning will be done by removing all loose particles, dust particles or any other foreign material/particles using manual or mechanical means. After that, clean the concrete surface with special chemical named as Steripure 100 for removing of algae fungi followed by High Pressure Water Jet and Compressed Air blower. Apply bond coat a Water Miscible epoxy named as Kelox R101 + Kelox H 404 or its equivalent (using manual/mechanical means) before PICC application, it ensure strong adhesion with old surface to new PICC mortar. Application providing with Top coat of NicCoat PC + Kelmer A 80 or its equivalent after finishing PICC,Complete as per specification including cost of all materials, machinery, labour,insurance charges as directed by the Engineer in charge.

Providing & Applying internal expansion joints filling by polysulphide base material, preformed polyurethane, elastomer , bond breaker and fixing metal plate of aqueduct ,Cleaning will be done by removing all loose particles, dust particles or any other foreign material/particles using manual or mechanical means. After that, clean the concrete joint with special chemical named as Steripure 100 for removing of algae fungi followed by High Pressure Water Jet and Compressed Air blower of required depth, After cleaning resize the joint using PICC mortar, Apply bond coat a Water Miscible epoxy named as Kelox R101 + Kelox H 404 or its equivalent (using manual/mechanical means) before PICC and Pu foam application, it ensure strong adhesion with old surface to new surface . complete with all leads and lifts etc complete as per specification and as directed by engineer-in-charge.Complete as per specification including cost of all materials, machinery, labour,,insurance charges as directed by the Engineer in charge in expansion joints.

12mm cement plaster 1:3 (1 cement : 3 fine sand)

Earthwork in excavation by mechanical means /manual means in all types of strata comprising of any of the materials such as soil, silt, sand, clay, gravel, moorum of all varieties, shingles, pebbles, all types of conglomorates, laterite rock, soft rock, fissured, shuttered decomposed rock hard granitic or basaltic and all such other materials to these specifications either in full or in parts as the case may be adopting any approved method or methods as may be convenient or permitted. Including chisselling, wedging but excluding blasting dressed to required shape etc., in all conditions such as saturated, dry, moist etc. complete including disposal of materials in all leads & lifts etc. complete as specified and directed by Engineer - in-charge.

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in: a) All works upto plinth level

Centering & shuttering including Strutting, Propping & removal of forms for : i) Foundations, Footings, Bases for columns

ii) Columns, Piers, Pillars, Aburments, Posts and struts (square rectangle polygon in plan)

iii) Suspended floors, roofs landings, shelves & their supports

Embankment Construction with Material Obtained from Borrow Pits (Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2)

Providing and laying in position ready mixed concrete (RMC) with usage of Ordinary Portland Cement manufactured in fully automatic batching plant and transported to site of work in transit mixer for a lead upto10kms having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work including pumping of R.M.C., from the transit mixer to the site of laying, excluding the cost of centering, shuttering, finishing and reinforcement including the cost of admixtures in recommended porportions as per IS : 9103 to accelerate/retard setting of concrete, improve workability without imparing strength and durability as per the directions of the engineer-in- charge. All works upto floor V level iv) M-25 grade of concrete

Providing TMT steel reinforcement bars of (SAIL, TATA. VIZAG, JSW Steel Ltd.) (Confirming to IS 1786 of 1986) for RCC work (conforming to I.S. 1786 of 1986) including bending, binding& placing in position in all the floors along with the factory made precast concrete cover blocks of specified sizes whose compressive strength is not less than that of surrounding concrete in the structural member.

Refilling the pipeline/foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge

Supplying at store or site of work including railway freight, carting, loading and unloading, stacking etc. Centrifugally cast, (spun) ductile iron pressure pipes (with socket/spigot ends) conforming to IS: 8329-2000 with cement mortar lining inside the pipe and outside zinc coat as per IS: 8329-2000 with up to date amendments suitable for jointing with rubber gasket known as TYTON joints. Class K-9. Nominal diameter in mm.h) 450mm dia

Supplying at store or site of work including railway freight, carting, loading and unloading, stacking etc. C. I. double flanged pipes- PN10 horizontally cast conforming to IS: 7181-1986 bearing ISI mark as per the length mentioned below .VI) Barrel Length of 3.0 metres h) 450 dia in mm

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. C. I. Sluice valve conforming to IS:14846-2000 and bearing ISI mark double flanged/plain ended with cap. TYPE P.N. 1.6 (Class B ) dia in mm k) 450 mm Dia

Conveying carefully from stack at site, 250m from both sides rolling and lowering in trenches, laying and jointing true to line and level and perfect linking of joints.a) Cast iron or Ductile iron or A.C. or S & S or flanged & PVC pipes.

Jointing of C.I/D.I pipes and specials with rubber gaskets (TYTON joints) EPDM type including cleaning the socket and spigot ends with kerosene oil/below lamp and applying soft soap to socket and spigot ends before inserting for rubber gasket jacking and fixing in proper condition including cost of rubber gasket, oil, soft soap and hydraulic testing of jointing as per IS:3144-1985.nominal diameter in mm j) 450 mm

Hoisting laying cast iron sluice valves/butterfly valves/reflux valve of size given below at location in pipeline etc. complete as directed as per IS:2685-1971 CLASS I & II nominal diameter in mm. c) 450 mm Dia

SOUTH EAST CONSTRUCTIONS COMPANY PVT LTD (BID ID -37839)