Public Works Department Tender

Providing and laying in position machine batched concrete (BMC), machine mixed and machine vibrated design mix cement concrete of specified grade for reinforced cement concrete work including pumping of concrete to the site of laying but excluding the cost of centering , shuttering, finishing and reinforcement including admixtures in recommended proportions as per IS 9103 to accelerate, retard setting of concrete, improve workability without impairing the strength and durability as per the direction of the Engineer-in-charge. M25 grade of reinforced cement conrete by using 410kg of cement per cu.m. of concrete. All works upto floor V level.. Add for providing richer or leaner mixes respectively at all floor levels Providing M-30 grade concrete by using 420kgs of cement per cu.m. of concrete instead of M-25 grade of B.M.C.

Providing and erecting a "Thrie" metal beam crash barrier comprising of following three factory made unites-viz. 1) Thrie Beam 2) Spacer Block 3) Vertical Post. The Thrie beam 3mm thick cold roll formed guard rail raw material Conforming to IS-5986-2011 with minimum Grade 255 & with minimum yield stress of 255 Mpa which is fixed by bolted connection to spacer block C-channel of size 75mmx150mm & 5mm thick, 54.6cm height spaced 2meter centre to centre, fixed to Vertical Post C-channel of size 75mmx150mm &5mm thick cold roll formed section made from HR coils raw material conforming to IS-5986-2011 with minimum Grade 255 & with minimum yield stress of 255MPa, with 85cms free height above road or Ground level, and embedded to 115cms deep in cement concrete block of size 35cm*35*115cm of minimum grade M15 (1:2:4) or as directed by Engineer Incharge, assembled & fixed as per drawings of MORTH&H Circular No.RW/NH/33022/1/94-DO/III, dated 24/6/1994 & construction operation as per 811 or relevant MORT&H specifications for Roads & Bridge Works (latest edition). All fittings (bolts,nuts,fasteners,washers etc.) shall be conforming to IS:1367 & IS:1364 & galvanished by hot dip zinc coated process @0.55kg/m2 conforming to relevent IS specifications all etc.complete

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.

Providing and laying in position cement concrete 1:2:4 (1 cement : 2 coarse sand: 4 graded granitic or basaltic stone aggregate 40 m nominal size) excluding cost of centering, shuttering and finishing : a) All works upto plinth level.

Steel work welded in built up section and framed work including cutting, hoisting, fixing in position for steel grating of size 2.00 m x 0.90 m with R.S. joists, Tees, angles, flats and channels of TATA/ SAIL/ VIZAG make only with structural steel not less than 163.6 kg. per unit including applying priming coat of red lead paint and two or more coats with superior quality ready mixed paint for steel work of approved brand and Manufacture in all shades on new work to give an even shade as per the approved drawing and direction of the Engineer in-charge.

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

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.

Providing and fixing weepholes with rigid PVC make laid in position with a required slope and level while layingpipes of approved the concrete of retaining wall,wing wall and earth retainig structure complete as directed by the Engineer in charge. A) 110 mm dia

Earthwork in excavation for roadway in all types of strata comprising any of the materials such as soil, silt, clay gravel murrum of all varieties shingles pebbles all types of conglomerates, laterite rock, ordinary soft rock, disintegrated rock fissured rock shuttered decomposed rock or weathered rock and all such other materials as described under Appendix "A" to those specification either in full or parts as the case may be by mechanical means or any other approved means including cutting and pushing the earth to site of embankment, including trimming bottom and side slopes in accordance with requirements of lines, grades and cross sections. as per MoRT & H Specification 301 or adopting any approved method or method as the case may be convenient or permitted inclusive of chiselling, wedging blasting prohibited etc. in all conditions such as dry moist saturated submerged foul conditions including shoring strutting etc. and as directed by the Engineer in - charge including dressing of sides ramming of bottoms including getting out the excavated soft/rock to be levelled & neatly dressed including pumping and bailing of water, carriage and disposal of excavated material barricading danger lighting guarding and disposal of excavated earth as directed by the Engineer - in Charge including all leads and lifts etc. 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.

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.

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.

Earthwork in excavation of foundation of structures of culvert, abntments piers, retaining wall etc in all types of strata comprising any of the materials such as soil, silt, clay gravel murrum of all varieties shingles pebbles all types of conglomerates, laterite rock, ordinary soft rock, disintegrated rock fissured rock shuttered decomposed rock or weathered rock and all such other materials as described under Appendix "A" to those specification either in full or parts as the case may be manual mean or any approved method or methods as the case may be convenient or permitted inclusive of chiselling, wedging, blasting prohibited etc. in all conditions such as dry moist saturated submerged foul conditions etc. and as directed by the Engineer in - charge including dressing of sides ramming of bottoms including getting out the excavated soft/rock to be levelled & neatly dressed including setting out construction of shoring and bracing removal of stumps & other deleterious matter, dressing of sides & bottom, black filling the excavation earth pumping and bailing of water carriage and disposal of excavated material barricading danger lighting guarding and disposal of excavated earth as directed by the Engineer - in Charge including all leads and lifts etc. complete.

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.

Centering and shuttering including struttings, propping etc. and removal of formwork for : a) Foundations, footings, bases for columns and mass concrete.