SPECIAL REPAIRS TO SEA WALL AND HARD STANDING AT JETTY AT SEAMANSHIP SCHOOL, NAVAL BASE KOCHI

Amount

Note:- The proposed work is on bank of sea channel as well as under the sea. Unit rates quoted by the contractor shall be deemed to include rates for all constructional/excavation/filling details like any necessary construction of temporary sheet piles, columns to facilitate the construction work being an integral part, earth/sand/soil fillings, coffer dams, for a length of minimum 42m, Bailing out, pumping out or otherwise removing all water which may accumulate, excavation for insertion of planking and strutting which are specifically not shown on Drawings or mentioned anywhere in CA but are essential to the execution of sound/quality work as per relevant IS Codes. In case of opinion difference between the contractor & the Executives of MES, regarding whether or not certain item(s) constitute the aforementioned details, the Decision of the Accepting Officer shall be final conclusive & binding.

Demolition of cement concrete of any description and in any position not otherwise specifically provided for complete all as specified and directed.

Moorum/red bajri filling in floors or pavings, laid in layers n exc. 15 cm thick, spread, levelled and rammed including watering complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm thick all as specified and as directed.

Earth work in excavation by mechanical means ( hydrolic excavation ) over area ( exce 30 cm in depth , 1.5 mtr in width as well as 10 Sqmtr on plan) as in all kind of soil incl getting out and disposal of excavated earth lead up to 50 mtr and lift 1.5 mtr complete all as specified and as directed.

Removing excavated soil outside MD land exc 1.5Km and not ec 5Km all as specified and as directed.

Laying and compacting 200 mm thick (compacted thickness) Granular Sub Base Course (GSB) grading as per Grade V as specified Table 900-1 of MoRTH specifications for Road and Bridge works, 2013, in a single layer over compacted subgrade with natural sand/ M sand, crushed gravel, crushed stone, crushed slag or combination thereof as per the grading required The materials are mechanically mixed, spread and leveling on the subgrade by using motor grader of adequate capacity, and rolling with vibratory roller of capacity 80-100 KN static weight for achieving required compaction density of atleast 98% of the Maximum Dry Density. Consolidating to required gradient and camber complete all as specified and directed with finished surface tolerances as per Table 900-1 of MoRTH specifications for Road and Bridge works, 2013 complete all as specified and as directed.

Laying and compacting 225 mm thick (compacted thickness ) WMM laid in three layers of 75 mm each grading as per table 400-13 of MoRTH specifications for Road and Bridge works 2013 manufactured in WMM plant material comprising of clean, crushed, graded aggregate and granular material premixed with water to a dense mass, spreading with sensor paver and rolling with vibratory roller of capacity 80-100 KN static weight and consolidating to required gradient and camber complete all as specified and directed The finished surface tolerances to be as per Table 900-1 of MaRTH specifications for Road and Bridge works 2013.

100 mm thick rolled cement concrete base course (referred as Dry Lean Concrete (DLC) of compressive strength not less than 10 Kg/cm² at 7 days for each consecutive group of 5 cube or individual strength of cube shall not less than 7.5 Mpa at 7 days using Table 600-1 of MORTH for grading of aggregate, minimum cement content shall not be less than 180 Kg/Cum (or actual as per mix design if it is higher) including spreading and compacted by using mechanical paver and vibratory roller to thickness of 100mm including necessary form work and finishing etc complete all as specified as per MORTH specification 601 and as directed. Note:- Minimum cement content shall be 180 kg / Cum however higher cement content shall be providing without any extra cost if work out as per actual design mix.

Supplying and laying 10mm thick sand cushion with clean river sand/ M sand duly clear of residual, organic and deleterious materials spread evenly to uniform thickness laid over DLC layer as specified and directed. Note:- Consolidated sand thickness only to be measured

Supplying and laying 400 micron thick HDPE sheet (Virgin Quality) water proof, wrinkle free without puncture having minimum weight 390 gm/Sqm over tack coat/ sand cushion as specified in the design with overlap between adjacent strips and at transverse joints as minimum 300mm.

375mm thick Pavement Quality Concrete (PQC) work in pavement of flexural strength 45 kg/ sqcm (lower control limit shall be without any extra cost to GOVT) in field using min 400 kg of cement per CUM ( as per actual as per Design Mix if it is higher) with crushed, graded stone aggregate of Grading as specified using admixture required as per design mix, mixed with triangular / non circular synthetic fiber reinforcement @ 0.25% by weight of cement with min 12mm length , specific gravity 1.2 to 1.4 (other specifications as per CA / IRC / MORTH) spread and compacted mechanical paver all as specified including necessary formwork, T & P for bull nosing , rounding of edges, and finishing the surfaces by mechanical brooming/ chequered finish/ belting etc complete all as specified and as directed. Note:- (i) The Rate quoted by the tenderer for PQC shall deem to include the cost of supply of admixture and triangular / non circular synthetic fiber. No additional payment shall be made for these items seperately. (ii) Design Mix Formula should be compatible as per IRC 44 & IS 456. (iii) All type of joints shall be measured and paid separately. (iv) Minimum cement content per cubic metre of concrete shall be 400 Kg . However actual cement content shall be provided if work out as per design mix and nothing extra shall be admissible on this account. (v) The rate quoted shall be inclusive of use and waste of form work for total thickness. (vi) Quoted Rate is inclusive of providing Chequered finish over the PQC surface.

Forming construction joint 25mm deep and 10mm wide (using diamond cutter) providing polythene backup rod 12mm dia and filled with polyurethane sealant single component (min depth of sealant 12mm) complying with BS 5212, BS 4254, and EN 41875-2003, priming the sides, min MAF ± 30% with 5 years performance guarantee and applying masking tape on edge of joint to prevent accidental spillage of sealant on top surface to give neat finish to sealant and removing the masking tape after sealant is applied by mechanical means rest all as per manufacturer' instructions as specified, shown on drawings and as directed.

Demolition of reinforced cement concrete of any description and in any position not otherwise specifically provided for complete all as specified and as directed.

Demolition of Brickwork or stone/ boulder masonry, laid dry complete all as specified and as directed.

Boring for cast-in-situ bored under reamed piles of 500mm dia to 15m depth through any type of soil/strata by DMC method using bentonite slurry including removal of bored materials to place outside MD land all as specified and as directed Note:-The rate shall include mobilisation, erection, dismantling and demobilisation of equipment for pile boring including all labours and material. Nothing extra shall be payable for mobilisation of equipment seperately.

PCC 1:4:8 (type D2) using 40 mm graded stone aggregates as in foundation, filling mass concrete complete all as specified and as directed.

MS Casing of min 6mm thick for 500mm diapile to any length through any type of soil/strata and placed in position all as specified and as directed . Note:-The rate shall include mobilisation, erection, dismantling and demobilisation of equipment for pile boring including all labours and material. Nothing extra shall be payable for mobilisation of equipment seperately.

RMC M35 design mix as per IS-456 (with using 20mm graded stone aggregate) in underreamed piles,pile cap , grade beam and pedestal of any length/any section complete all as specified and as directed.

Formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams, Grade beams, Pile caps; and similar work; vertical or to batter complete all as specified and as directed.

RMC M35 design mix as per IS-456 (with using 20mm graded stone aggregate in Walls, retaining walls, basement walls, ballast walls and the like; any thickness; above top of footings; including attached pilasters and buttresses complete all as specified and as directed.

Formwork to faces of walls, retaining walls, abutments, parapets and staircase railings and similar work including attached pillasters, buttresses, etc.; vertical or to batter as in flat surfaces complete all as specified and as directed.

TMT bars Fe 500D(CRS/HCRM/CRM) in reinforcement 10mm dia and over for RCC structures all as shown on drgs including cut to length, bend to required shape, cranking/hooking ends if necessary and binding with 0.9mm dia MS wire annealed or welding so as to secure the bar firmly in position/required shape complete all as specified and shown on drgs.

TMT bars Fe 500D(CRS/HCRM/CRM) in reinforcement 5mm dia and over up to and including 16mm dia confirming to IS-1786 as in stiruups, Helical/stirups for RCC structures cut to length, bend to required shape, cranking/hooking ends if necessary and binding with 0.9mm dia MS wire annealed or welding so as to secure the bar firmly in position/required shape complete all as specified and shown on drgs.

Carrying out initial pile load vertical tests on test piles(under reamed) of diameter 500mm as per standard procedure laid down in IS-2911 Part-IV 2013 for 2.50 times the design load specified in structural drawings including compressive strength including construction of test cap, dismantling the cap after the test and clearing the site and maintaining complete records of load settlements etc. mobilization of testing equipment, making arrangements for testing & removal of the same after completion of work as specified and directed by AGE/GE and submission of reports in quadruplicate duly signed by all concerned with site photographs, for 2.50 times the design load specified in drawings in non-working areas in the vicinity complete all as specified and directed.

Carrying out initial load test for lateral load on dia 500mm test piles with under reamed as per IS-2911 Part-IV 2013 for all as per the design load specified in structural drawings including clearing the site and maintaining complete records of load settlements etc. mobilization of testing equipment, making arrangements for testing & removal of the same after completion of work as specified and directed by AGE/GE and submission of reports in quadruplicate duly signed by all concerned with site photographs complete all as specified and directed.

Carrying out routine load lateral test on working pile of dia 500mm test piles with under reamed as per IS-2911 Part-IV 2013 for 1.5 times safe design load drawings including clearing the site and maintaining complete records of load settlements etc. mobilization of testing equipment, making arrangements for testing & removal of the same and completion of work as specified and directed by AGE/GE and submission of reports in quadruplicate duly signed by all concerned with site photographs complete all as specified and directed

Carrying out routine load vertical test on working pile of dia 500mm test piles with under reamed as per IS-2911 Part-IV 2013 for 1.5 times safe design load drawings including clearing the site and maintaining complete records of load settlements etc. mobilization of testing equipment, making arrangements for testing & removal of the same and completion of work as specified and directed by AGE/GE and submission of reports in quadruplicate duly signed by all concerned with site photographs complete all as specified and directed

Conducting standard penetration test all as per IS-2131 at levels and locations as directed for 500mm dia cast in situ bored underreamed piles all as specified and as directed.

Carrying out pile integrity test using low strain dynamic method all as per IS for 500mm dia complete all as specified and directed.

Invert filter of broken stone aggregate/roundxed of size 10 to 20mm, deposited, spread & levelled including use of formwork, packing complete all as specifed and as directed.

Invert filter of broken stone aggregate/roundxed of size 40 to 60mm, deposited, spread & levelled incl use of formwork, packing complete all as specifed and as directed.

Formwork to faces of sides of pillars, posts, struts, piers, columns and stanchions complete all as specifed and as directed

Formwork to sides and soffits of floor or roof beams, beam haunchings, girders, bressummers, lintels, cantilevers, shelves including supports, overhangs, etc. also splays between floors and beams, etc complete all as specifed & as directed.

RMC M-35 design mix as in Beams, cantilevers, columns, pillars, piers, posts, struts, slabs, balconies, canopies, deck slabs etc all as completed & as directed.

Joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc. (cut to ordinary lengths i.e. within 20mm of the length indicated) conforming to Fe-290 Gde-E-165 complete all as specified and as directed

Preparation of new steel Surfaces of any description, over 10cm in width or girth,not otherwise described and applying two coats of anti corrosive epoxy paint over two coat of epoxy primer on steel surfaces complete all as specified and as directed.

80mm Dia HDPE Pipe PN 10 as in weep holes complete all as specified and as directed.

RMC M-35 Design mix concrete using 20 mm graded stone aggregate as in footings, foundation beams; plinth beams; bases for columns, etc. and mass concrete all as specified and as directed.

Cement concrete 1:2:4 (type B0) using 12.5 mm graded stone aggregates in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as directed complete all as specified and directed.

Demolition for Brickwork or stone/ boulder masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and directed.

Pre-cast cement concrete block masonry Type C1 1:3:6 with solid blocks, exc. 10 cm in width and setting in mortar, complete set in CM 1:6.

Cement plaster 8 mm thick in cement mortar 1:4 over backing coat of 12 mm thick in cement mortar 1:6 for external faces of walls with water proofing treatment complete all as specified and directed.

Preparation of new plastered external wall surface and applying two or more coats of weather proof (Apex Ultima protek or equivalent) paint over and including priming coat of exterior primer complete all as specified and as directed.

Supply only Liquid Water Proofing Compound all as specified and as directed.

SHAIJAL T M (BID ID -3388139)

Classic Builders (BID ID -3401960)