Construction of Over Head Tank

Civil Works

Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in foundation trenches,Plinth beam, or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, for all Lifts, including getting out the excavated soil and disposal of surplus excavated soil as directed, and Back filling available Excavated Earth Trench, Plinth ,Sides of Foundation Etc,. In layers not Exceeding 20cm in depth Consolidating each deposited Layer By Ramming and Watering , lead lead Upto 50 m for all lifts. For All kinds of soil as directed by Engineer in charge.

Supplying, Stacking and Filling of Crushed Sand and ramming and Watering of the filling layer not exceeding 20cm in Foundation trenches, plinth, sides of foundations etc. Complete for all lifts. and as directed by the Engineer-in-Charge

Providing and laying plain cement concrete 1:4:8 using 40mm maximum size graded aggregates including mechanical mixing, transporting and placing in required position, ramming, compaction, taging, curing, shuttering, dewatering if any, complete all as per specification for taging courses in foundation for walls, footings, floor drains etc., encasing pipes and other required works directed by Engineer-in-Charge complete all as per specifications.

Providing and laying cast insitu controlled reinforced cement concrete of specified grade at all levels and lifts mentioned below using 20mm maximum size hard granite machine crushed graded stone aggregates including weigh batching, charges for mixing & cost of admixture, mechanical mixing, transporting and placing at all lifts, vibrating, consolidating, curing and finishing smooth of all exposed faces complete for column footings, columns, lintels, sunshades, gutter slabs, beams, slabs, water tank, machine foundation and all other structural elements including dewatering wherever necessary (Formwork and reinforcement will be paid for separately) all as per specification and all as shown in drawings and as directed by the Engineer-in-charge for all insitu item. Note: 1. The rate of concrete shall include all labour, equipment, charges for mixing & cost of admixture. Chemical admixture conforming to IS 9103 shall be mixed in fresh concrete and prior permission from Engineer-in-charge shall be obtained for dosage and compatibility 2. Test certificate of cement, procured from dealer/company to be submitted for all cement related works by the Contractor. 3. The rate shall be quoted on the basis of using minimum cement per cu.m. of concrete mentioned below for relevant grade of concrete. Any upward/ Downward variation required to obtain the specified strength will be paid for or deducted at the rate of Rs.8/Kg of cement. M30 grade with 350 kg. of Ordinary Portland Cement per cu.m. of concrete all works upto plinth level.

Providing and laying cast insitu controlled reinforced cement concrete of specified grade at all levels and lifts mentioned below using 20mm maximum size hard granite machine crushed graded stone aggregates including weigh batching, charges for mixing & cost of admixture, mechanical mixing, transporting and placing at all lifts, vibrating, consolidating, curing and finishing smooth of all exposed faces complete for column footings, columns, lintels, sunshades, gutter slabs, beams, slabs, water tank, machine foundation and all other structural elements including dewatering wherever necessary (Formwork and reinforcement will be paid for separately) all as per specification and all as shown in drawings and as directed by the Engineer-in-charge for all insitu item. Note: 1. The rate of concrete shall include all labour, equipment, charges for mixing & cost of admixture. Chemical admixture conforming to IS 9103 shall be mixed in fresh concrete and prior permission from Engineer-in-charge shall be obtained for dosage and compatibility 2. Test certificate of cement, procured from dealer/company to be submitted for all cement related works by the Contractor. 3. The rate shall be quoted on the basis of using minimum cement per cu.m. of concrete mentioned below for relevant grade of concrete. Any upward/ Downward variation required to obtain the specified strength will be paid for or deducted at the rate of Rs.8/Kg of cement . M30 grade with 350 kg. of Ordinary Portland Cement per cu.m. of concrete all works Above plinth level.

Supplying, fabricating, erecting and fixing in position at all levels, centering and shuttering to correct line and levels and all types shuttering including strutting, propping, etc., with necessary bracings in all axes to give a stable assembly with provision for making the joints in the shuttering fully leak proof and with provision for fixing coil nuts with tie rods along with suitable channel for lateral supports and for inserts, projecting dowels, anchor bolts or any other fixture, including staging, access and working platforms etc., all complete as specified and directed as per Enginner-in-charge including dismantling and removing the aforesaid assembly after the concrete attains the sufficient strength to self-support itself without cracking and distortion all as per specification, including all materials and labour complete in all respects at all lifts. (The measurement for the formwork will be the actual area of forms in contact with concrete surfaces.)

Supplying, fabricating, erecting and fixing in position at all levels, centering and shuttering for Curved Surfce to correct line and levels including strutting, propping, etc., with necessary bracings in all axes to give a stable assembly with provision for making the joints in the shuttering fully leak proof and with provision for fixing coil nuts with tie rods along with suitable channel for lateral supports and for inserts, projecting dowels, anchor bolts or any other fixture, including staging, access and working platforms etc., all complete as specified and directed as per Enginner-in-charge including dismantling and removing the aforesaid assembly after the concrete attains the sufficient strength to self-support itself without cracking and distortion all as per specification, including all materials and labour complete in all respects at all lifts. (The measurement for the formwork will be the actual area of forms in contact with concrete surfaces.)

Providing, straightening, decoiling wherever necessary bending, cutting, binding and fixing in position steel reinforcement TMT bars of Fe500D grade steel conforming to IS:1786 ‘SAIL or VIZAG or approved equivalent make’ and tying with approved annealed binding wire of 1.6mm dia in all reinforced cement concrete work at all lifts, including cost of supplying and fixing the spacer/cover blocks in cement mortar 1:2 and binding wire complete all as per specification and as directed by Engineer-in-Charge at all lifts.Note: The rate shall be including the cost of reinforcement steel. The reinforcement steel will be procured from dealers with a test certificate as approved by the department.

Providing, supplying, cutting, bending to shape, welding, fabricating, hoisting, placing and fixing in position structural steel members like MS structural embedment’s/pipe and sleeves/penetration etc. using MS angles, channels, I-sections, plates, tees, flats, rounds, square sections etc. including chamfering and rounding off the edges, applying a coat of Red lead paint primer / Zinc chromate primer of approved make and 2 coats of flat oil paint / synthetic enamel paint of approved colour and make, scaffolding and staging required for fabrication as well as erection complete all as per specifications, drawings and as directed by the Engineer-in-charge. Note: Lifting device arrangements if any required Shall also be arranged by the contractor at his own cost.

Providing, laying, jointing and fixing G.I pipes 80 mm dia medium Class GI screwed pipes bearing with ISI mark conforming to IS:1239, following sizes with specials including cutting to the required length, threading and jointing with white lead joining compound etc., complete for water supply lines, suction and delivery lines of pumps, laying of pipes in the excavated trenches including cost of all the specials (Such as coupling, nipple, tee, bend, elbow, reducer, union etc.) and testing the line, painting the pipe lines with two coats of synthetic enamel paint of approved colour and make over a coat of primer etc. complete all as per specification and as directed by the Engineer-in-Charge. Note: Earthwork excavation will be paid separately under relevant items.

Providing and fixing the following 80mm Nominal bore sizes of gun metal full way gate valves female ends screwed bonnet integral seat non raising spindle class I, ISI marked to IS:778 tested to 20 kg/sqcm hydraulic pressure etc., complete all as per specification and as directed by the Engineer-in-Charge.

Providing and applying painting Two coats at all levels with Acrylic emulsion paint (Asian - Apex or Equivalent approved brand, colour and manufacturer) to give an even shade including one under coat of suitable primer, preparation of the surfaces, scaffolding complete all as per specifications and as directed by the Engineer-in-Charge.

Providing and constructing brick masonry at all lifts using well burnt stock bricks in cement mortar 1:5 including suitable scaffolding, raking out joints, curing complete as per specifications and drawings for foundation, superstructure, etc. for the following floors as directed by Engineer-in-Charge.

Providing plastering to the external surfaces of brickwork/concrete at all elevations in cement mortar 1:5, 20mm thick in two coats including hacking of concrete surfaces with pointed tool, scaffolding, finishing, curing, forming grooves wherever necessary, all as directed by the Engineer-in-Charge per specifications.

Providing and Fixing 18mm thick Jet black or approved make Granite inaugural plaque with granite stone engraved with artistic letters and golden colour painting for lettering, including cost of labour and material for fixing on a wall all as per specifications and as directed by the Engineer-in-Charge.

Painting of all size of letters, artistic painting of different colours/designs/patterns over board with Enamel Paint including scaffolding erection, surface preparation, Applying putty and back round painting (walls, steel plates, banners etc.)., the rate including cost of labour,material, bursh, , complete to maximum height of 13 meters, all as per specifications and as directed by the Engineer-in-Charge.