Construction of open type bandhara at Dapot Maxem in V.P. Loliem Polem in Canacona Taluka

Amount

Earthwork in excavation by mechanical/manual means in all types of strata comprising any of the materials such as soil, silt, sand, clay, gravel, moorum of all varieties, Shingles, pebbles and all types of conglomerates laterite rock, soft rock ordinary rock, disintegrated or weathered rock, fissured/shattered rock, decomposed rock and all such other materials either in full or in parts as the case may be by adopting any approved method or methods as may be convenient or permitted inclusive of chiseling, wedging etc but blasting prohibited in all conditions such as dry, moist, saturated, submerged, foul conditions etc. including pumping and bailing out water/ dewatering including setting out construction of shoring, strutting and bracing, removal of stumps and other deleterious material, dressing of sides and bottom, providing barricading, danger lighting, guarding etc. and back filling the excavated earth to the extent required and disposal of excavated soil/rock at specified areas with all leads and all lifts. etc as per specification and drawing and as directed by Engineer-in-charge etc. all complete.

Providing and laying cement concrete 1:1.5:3 (1 cement: 1.5 coarse sand: 3 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 & 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

b)In retaining walls , return walls (any thk) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping bed blocks, anchor blocks, plain window sills, fillets etc, upto floor five level.

Centering and shuttering including strutting, propping etc. and removal of form work for a)Foundations, footings, bases for columns and mass concrete.

b)Vertical surface such as retaining walls, return walls, walls (any thk) including attached pilasters buttresses, plinth and string course fillets, etc.

Centering and shuttering including strutting, propping etc. and removal of forms for slopping or battering surface (slabs, beams, louvers, etc.) including folded plates. iii) Columns, Pillars, Posts & Struts ( circular or curved in plan)

Providing and laying in position (1:11/2:3) Reinforced cement concrete excluding the cost of centering, shuttering, finishing and reinforcement (1 cement: 1½ coarse sand:3 graded stone agg 20mm nominal size. a) All works upto plinth level

b) In walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. upto floor five level

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.

Providing and fixing PVC water seal in construction joints are as per design and drawings shall withstand the pressure to the tune of 5 kgs/cm2 of approved quality and conforming to relevant I.S. code and shall be of one piece and jointing of small pieces shall be avoided the nominal width shall not be less than 305 mm & the thickness shall be between 9.00 to 12.00 mm and shall withstand minimum hydrostatic pressure of 30m of water including the cost of all materials, laborers, tools and plants required in the operation of above work and including incidentals involved as per specifications, drawing and directives of Engineer in charge.

12 mm cement plaster 1:4 (l cement 4: coarse sand)

Supply and fixing of Fiber glass Reinforced plastic (FRP) needle. Needles along with FRP coated M.S. Frame needles shall be made out standard quality FRP composite materials smooth surface shall be provided from both side of needles, toung and box type groove shall be provided to the needle for interlocking in to each other box type groove protect the edge of the needles , rubber seal size 15 x 4mm thick shall be fixed into the groove for water tight performance. Handles shall be provided in two locations for lifting and lowering of the needles into frame. The FRP needles are tailor made section as per size required at site for closing the bandhara. A)For thickness of needle 65+3 mm (Hollow type) for the water depth 0.00 to 2.00mts from top and width not more than 2mts in clear span

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.

Runal D Kindalkar