SHORT TERM NO 07 PBC T V MALAI 2023-24 F273 TNIAMP JDO4 Dt 16.02.2024 3rd call

Amount

Clearing scrub jungle including removal of stumps roots and disposing of the same as directed by the Engineer in charge of works and as per the standard specification

Dismantling clearing away and carefully stacking materials and without disturbing the nearby structures if any, useful for reuse for any thickness of walls in Brick / Stone masonry in Cement mortar walls under 3m high as directed by the Engineer-in-Charge and as per technical Specification.

Dismantling, clearing away and carefully stacking the material useful for reuse for any thickness of walls under 3 m height Cut Stone slab etc complete as directed by the Engineer in charge of works and as per the technical specifications.

Earth work excavation for foundation in all kinds of soils and sub soils except hard rock requiring blasting full depth as may be directed and depositing the surplus earth in places shown by the Engineer in - charge of work and leveling the same with all leads and lifts including shoring, strutting, shuttering, bailing out water wherever necessary and refilling the sides of foundation with excavated earth in layers of 15cm thick well rammed and consolidated etc. complete, complying with technical specifications and drawings as directed by the Engineer in - charge of work.

Open Excavation

Narrow Excavation

Providing and placing in position of Plain Cement concrete M10 grade with well graded aggregates and the nominal maximum size of coarse aggregate of size 40 mm graded weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 10N/mm2 at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary laying the concrete in layers and in bays vibrating, compacting and finishing the surface water curing so as to attain the profile and strength specified in the approved drawing and specification excluding the cost component of providing centering for soffits but including all leads and lifts etc., complete as directed by the Engineer in charge of works and as per the technical specification.

Providing and placing in position of plain Cement concrete of grade M15 with well graded aggregates & the nominal maximum size of coarse aggregate of 40mm (60%) and 20mm (40%) in the ratio of 60:40 weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 15 N/mm2 at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary; laying the concrete in layers of not exceeding 15 cm thick and in bays; vibrating, compacting and finishing the surface with all leads and lifts; watering curing complete so as to attain the profile and strength specified in the approved drawing & specifications.

Providing rigid & Smooth centering for vertical RCC concrete wall of supply channels retaining wall etc., for following height with necessary support below ground level & various height above ground level using MS Sheets of size 90x60 cm & BG 10 gauge stiffened with MS angle of size 25x25x3 mm laid over Silver Oak joist of size 7.5 cm x 5 cm spaced at 90 cm centre to centre & supported by casurina props of size 10 to 13 cm dia, spaced at 75 cm c/c etc., Complete as directed by engineer as per the technical specification (Vertical Centering)

Height 0 to 90 cm

Height 0 to 180 cm

Height 0 to 300 cm

Providing rigid and smooth centering for soffits of concrete slab for plain surface including shuttering wherever necessary for various depths below ground level & various heights above ground level using M.S, Sheets of size 90 cm x 60 cm of BG 10 gauge stiffened with M.S. Angles of size 25mmx25mmx2 mm laid over silver oak joists of 10cm x 6.50cm spaced at about 90 cm c/c and supported by casurina props of size 10 to 13cm dia spaced at 75 cm c/c etc., as per the direction of the Engineer completer in all respect but including the cost of placing the reinforced grill in position etc., complete as directed by the Engineer in charge of works and as per the technical specifications (Horizontal Centering).

Supplying, fabricating and placing in position of HSD (High Yield Strength) bars for all reinforced cement concrete works including cost of binding wire, steel rods, conveyance charges and labour charges etc., complete, complying with standard specifications and as directed by the Engineer in - charge of work.

Providing and placing in position of Reinforced cement concrete of grade M 20 using hard well graded aggregates with the nominal maximum size of coarse aggregate of 20mm weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 20N/mm2 at 28 days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary laying the concrete in layers of not exceeding 15cm thick and in bays vibrating, compacting and finishing the surface with all leads and lifts, watering curing complete so as to attain the profile and strength specified in the approved drawing & specifications complete as directed by the Engineer in charge of works and as per the technical specifications.

Preparation of Sub grade (as per technical specification) duly moisture and duly removing the surface irregularities including dewatering and laying plain cement concrete lining 75 mm thick of M 15 Grade design Mix using hard coarse aggregate with nominal maximum size of 20mm IS specified grading to have well graded aggregates weigh batching the ingredients along with Air entraining agents (200ml per bag of cement) and mixing these in mixer machine (concrete mix to yield 28 days characteristic compressive strength of 15 N/mm2) placement of concrete over the sub grade on canal bed / haunches / berms manually including consolidation of concrete, providing transverse contraction joint grooves as per technical specification ( 2.10m spacing) and water curing of the lining. The sub grade shall be well prepared, dressed and rolled to true level and specified section to form a firm compacted base for the lining as directed by the Engineer in charge of the work.

Supplying and spreading of gravel including stacking the same for pre measurements and watering consolidation, ramming etc., complete complying with standard specifications and as directed by the departmental Officers.

Rough stone dry packing for revetment and apron using old hard granite stones obtained from approved sources including the cost of new wedges for filling the gaps etc, complete as directed by the Engineer in charge of works and as per the technical specifications

Providing & fixing pre-cast cylindrical porous plug of 75 mm Dia and 300 mm in depth in porous concrete in CC 1:0:4, one in alternate panel of size 2.10m c/c in the sides in a staggered manner having size 40 x 40 x 40 cm filled with sand and outer and 25 x 25x 25cm filled with 12mm to 40mm coarse aggregate mixed with 1/3 sand on the inner including excavation, complying with technical specification and as directed by the Engineer in charge of the work.

Providing and filling with sealant material in Longitudinal and traverse contraction joint after thoroughly cleaning all the joints as shown in the drawings and finishing the surface to match with lining face with contractors own material as per technical specifications as directed by the Engineer in charge of the work. (as per drawing of the Contraction joint enclosed) (Canal Bed and sides Slopes)

Providing and placing Plain Cement Concrete M15 grade using crusher broken hard coarse aggregate (well graded) of nominal maximum size of 20mm and downgraded to I.S specified grading (To achieve the specified characteristic strength of 15 N/mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by bailing / pumping and diverting wherever necessary, placing concrete in layers and vibrating, water curing, finishing the surface with all leads and lifts etc., complete as directed by the Engineer in charge of works and as per the technical specifications

Earth work deploying earth moving machineries for desilting channel and forming bund on either side and depositing the earth on banks including jungle clearance etc., complete as directed by the Engineer in charge of the works and as per the technical specifications.

Earth work for desilting 0-3m

Earthwork in all soils except hard rock requiring blasting and conveying with a lead of 0 to 100M by deploying earth moving machineries and tippers for formation of bund in layers of suitable thickness, depending upon type of compaction equipment deployed and not exceeding 23cm thickness, benching of slopes prior to placement of earth fill, breaking clods of size more than 75 mm, formation of bund, breaking clods of size more than 75 mm , sectioning extra watering to OMC and compaction of each layers to 95% of proctor density through deployment of appropriate compaction equipment (8-10 ton vibratory power roller/short width (+0.90M width drum) power roller or vibratory power roller/fuel-operated or electrical operated vibratory plate compactors ensuring compaction of designed bund section including side slopes compaction complete as per specifications etc., complete as directed by the Engineer – in - charge (Lead0-3 K.M)

Gravel backing for lining in layers not exceeding 15cm thick including stacking for pre measurement, watering, consolidation and trimming the top surface so as to receive the rough stone etc, complete as directed by the Engineer in charge of works and as per the technical specifications.

Supplying demarcation RCC pre cast post in cement concrete of M 15 with well graded aggregate and the nominal maximum size of coarse aggregate of size 20mm of size 0.20 x 0.20 x 1.45M and fixing the post 40cm depth below the ground level the post including using 4 numbers of 10mm RTS main rod to a length of 1.325 M using 8mm MS 10 Numbers as strip with steel centering and painting the post with enamel paint to a height of 0.80 M around the post etc. complete and conveying the post to the site of demarcation boundary, such as tank bund and foreshore including earth work excavation for foundation in HSC having the base plain cement concrete of 10cm of grade M 15 with concrete using hard blue granite broken stone of graded metal 1/3rd part of 40 mm and 2/3rd part of 20 mm size and the post embedded by using cement concrete of grade M 25 with well graded aggregates and the nominal maximum size of coarse aggregate of 20 mm etc., complete as directed by the Engineering in charge of works and as per the technical specifications.

Trimming the bed and the side slope of the bank in all soils except hard rock up to a thickness of 7.5cm to 15 cm and making it ready to receive the concrete as directed by the departmental officer.

Pointing with cement mortar 1:3 (One cement and three M-sand) for flush pointing in Random Rubble Masonry including watering finishing curing using mixer machine for mixing mortar etc. complete as directed by the Engineer in charge of works and as per the technical specifications.