Public Works Department Tender

Earthwork in excavation of foundation of structures of culverts, abutments piers, retaining walls etc. as per drawing and technical specification, in all types of strata comprising any of the material such as soil, silt sand, clay, gravel, murrum of all varieties shingles, pebbles all types of conglomerates, laterite rock etc soft rock, ordinary rock or disintegrated rock fissured shattered/ decomposed rock or weathered rock all such material as described under appendix to those specification either in full or in parts as the case may be adopting mechanical means (hydraulic excavator) or any approved method or methods as the case may be convenient or permitted inclusive of chiseling and wedging etc in all conditions such as dry, moist, saturated, submerged, foul condition etc including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing sides, ramming of bottoms, getting out the excavated soil/rock to be leveled and neatly dressed,

pumping and bailing out of water, back filling the excavated earth to the extent required and utilizing the remaining earth locally for road work, barricading, danger lightening, guarding and disposal of excavated earth as directed by the engineer in charge all complete including all leads and lifts and up to depth of excavation as per MoRT & H Specification 304.

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

Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggrt. 40 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 struttings, propping etc. and removal of formwork for :

a) Foundations, footings, bases for columns and mass concrete.

ii)vertical surfaces such as retaining walls , return walls, walls (any thk) including attached pilasters, buttresses, plinth and string courses, fillets, etc.

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

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 upto 10kms 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

v) M-30grade of concrete

Providing and laying 50mm(consolidated thickness)full grout using granitic or basaltic stone of specified grading at 6.00 cu.m. per 100 sq.m. grouting with hot bitumen straight run bitumen(or with such bituminous material of grade and type as specified by the Engineer-in-Charge)at 5.0kg. per sq. m. binding with key aggregate of granitic or basaltic stone of specified grading at 1.5 cu.m. per 100 sq.m. including Providing and laying seal coat sealing the voids in a bituminious surface laid with F.E loader with 1 Cu.m. bucket capacity to the specified levels, grade and cross fall using Type A seal coat with 0.98 kg/sqm of bitumen of grade as per MoRT&H specifications clause 513.

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 laying filter media with Granular materials crushed stone Aggregates satisfying the rerquirement As Per Clause 2504.2.2 of MOSRT & H Specification to a thickness of 500 mm laid horizontally in layers of 250mm thick and compacted to firm condition etc. complete as direction by Engineer-in-charge.

Laterite masonry in neatly dressed stones of size as specified in cement mortar 1: 4 (1 cement : 4 coarse sand) in foundation and basement.

Providing and laying factory made Shot blasted cement concrete interlocking paver block of minimum M35/M40 grade made by heavy duty block making machine with strong vibratory compaction and of aprpoved size and design / shape laid in 50 mm thick compacted bed of coarse sand, filling the joints with coarse sand, etc. all complete as per the direction of Engineer.- in I, Wave, Rectangular, Square etc. shapes. The products should comply to IS 15658:2006 and manfucatured by ISO9001: 2008 certified plant. The shot blasting should be done using 0.4-0.5mm dia steel shots with a speed of 3200 rpm.

b) 60 mm thick in Grey colour (M35 grade)

Supplying and fixing of Precast RCC slabs(factory made,the factory should be ISO certified and registered under Dirctorate of Industries, Govt. of India) at site in concrete Grade of M-25 with 20 mm nominal size Granitic or basaltic aggregate, consolidated by means of mechanical platform, vibration etc. with lifting hooks of M.s. 10mm bars and PVC cups including cost of reincforcement, Certificate from manufacturer shall be produced indicating grade of concret and minimum content of steel in the product along with 5 year free replacement warranty in case of breakage complete and as directed by Engineer -in -charge.

a)Size 900 x 400 x 150 mm with steel reinforcement not less than 7 kg per unit -30 T capacity. (slabs shall be procured through GHRSSIDC enlisted vendors and payment shall be released on submission of invoice)

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.