Rehabilitation of Irrigation Systems in Kuranganpallam odai (Hanuman Nadhi) in Modakurichi and Kodumudi Taluks of Erode District

Amount

Clearing Juliflora Jungle without Uprooting and destroying them effectively as directed by the departmental officers

Dismantling clearing away and carefully stacking the materials useful for reuse of any thickness of brick or stone masonry walls in cement mortar under 3m height as directed by the departmental officers.

Dismantling, clearing away and carefully stacking of materials useful for reuse for any thickness of plain cement concrete complete complying with standard specifications and as directed by the departmental officers.

Earth work excavation for foundation and depositing on bank with initial lead of 10 m & initial lift of 2m in Hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders SS.20B complete complying with standard specifications and as directed by the departmental officers. (HGS SS.20.B)

Supplying and filling with M sand of each layer not more than 15 cm thick including all leads and lifts, consolidation etc complete as directed by the Engineer in charge of works and as per the technical specifications. [ specification 4.3.1]

Providing and laying Plain Cement concrete of M10 grade (Design mix) with well graded aggregates and the nominal maximum size of coarse aggregate of size 40 mm weigh batching the ingredients and mixing in approved mixers/batching plant (toproduce concrete of the specified characteristic strength of 10N/mm2 at 28days) including dewatering the placement site by bailing/pumping wherever necessary laying the concrete in layers and in bays with all leads and lifts compacting and finishing the surface water curing so as to attain the profile and strength specified in the approved drawing and apecification completecomplying with standard specification and as directed by the Engineer in charge of the work.

Providing and laying in position, Standardised Reinforced Cement Concrete Mix M-20 (Design mix) Grade in accordance with IS:456 - 2000, using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ration of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about ( 5.0 cu.m.) 7730 Kg of 20 mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10 -12mm machine crushed stone jelly and with about (4.79 cu.m.) 7670 kg. of crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc,and complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standards. (No separate payment will be made by the Department for the excess usage of materials).

Providing and laying in position, Plain Cement Concrete of grade M15 (Desing Mix) with well graded aggregates and the nominal maximum size of HBGS jelly of 40 mm and down graded (60% of 40 mm and 40% of 20 mm ) confirming to IS Specified grading and mixing the ingredients by mixer machine (to produce concrete of the specied characteristic sterength of 15N/mm2 at 28 days ) including dewatering by bailing/ pumping wherever necessary laying the concrete in layers and in bays with all leads and lifts,vibrating, compacting, and finishing the surface watering, curing for various depth and height below and above ground level so as to attain the profile and strength specified in the drawing complete complying with standard specification and as directed by the departmental officers.

Supplying and erecting steel centering including necessary supports for plain surfaces such as column footings, column pedestals, plinth beams, grade beams, staircase steps, etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid over silver oak joists of size 10cm x 6.5cm spaced at about 75cm centre to centre or at suitable intervals etc. complete complying with standard specification and as directed by the departmental officers. (Below Sill )

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29m height for vertical / sloped surface as detailed below in all floors with all cross bracings using mild steel sheets of size 90cmx60cm and 10BG stiffened with welded mild steel angle of size (25x25x3)mm for boarding laid over silver oak joists of size (10x6.5)cm spaced at about 90cm C/C and supported by casurina props of 10cm to 13cm dia spaced at not more than 75cm C/C etc., complete complying with standard specification and as directed by the departmental officers.(for retaining wall,abutment, pier etc) Scaffolding and centering charges for the structural components including cost and conveyance of all material to the site including all labour charges and incidental charges etc., complete complying with standard specification and as directed by the departmental officers

Supplying erection and CENTERING for sides and soffits of plain surfaces such as slab etc., using M.S. Sheets of size 90cmx60cmxBG 10 guage stiffended etc., complete complying with standard specification - Circular centering.

Supplying and fabricating of Steel required for all works involved in the schedule including cost of steel, cost of fabrication,labour charges for cleaning the rods straightening, cutting, bending, tying grills including overlapping to the required length wherever necessary and placing the reinforcement in position as specified in the drawings including cost of binding wire provision of spacer bars, cover blocks and all other incidental charges etc, complete as per standard specification and as directed by the departmental officers

Earth work excavation deploying earth movingmachinery for desilting odai having a width of more than 10m and forming bund on either sides and depositing the earth on banks including jungle clearance etc complete

Earth work excavating and depositing on bank with initial lead of 10 m & initial lift of 2m in Soft disintegrated rock, laterite, soft rock or kankar, not requiring blasting as directed by the departmental officers

Cutting portion

extra 7m lifts

Random Rubble masonry in cement mortor 1:4 (One cement and four crushed stone sand ) using old rubble stones and bond stones including simultanenious pointing the exposed surfaces with same mortar and all incidental charges such as bailing out of water , curing , finishing Complete etc., complete complying with standard specification and as directed by the departmental officer.

Rough stone dry packing for Revetment using new hard granite stones obtained from approved quarries including cost of wedges for filling the gaps, including cost and conveyance of all materials and labour charges etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying and laying of Launching apron revetment with Loose Boulders(jeddy stones) of each size greater than 300mm and weight more than 40kg including cost of labour etc complete complying with standard specifications and as directed by the departmental officers

Plastering with cement mortar 1:3 (One cement and Three M sand) 10 mm thick including curing, finishing etc., complete complying with standard specification and as directed by the departmental officer.

Plastering with cement mortar 1:4 (One cement and four M sand) 20 mm thick including curing, finishing etc., complete complying with standard specification and as directed by the departmental officer.

Special pointing with cement mortar 1:3 (one cement and three M.sand) after racking out the joints to depth 3/4" to 1" depth neatly finished and cured including scaffolding arrangements as directed by the departmental officers

Supplying, laying, jointing and fixing in position of best approved quality RCC hume pipes 300mm dia with suitable collar complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing Bitumen felt 15 mm thick pad for joints in flood protection wall at 25m intervals including all labour charges for fixing etc ., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing PVC pipes of size 75 mm dia with having working pressure as ISI Standards (6 Kg/cm2) for pressure relief holes (weep holes ) etc., including all labour charges for fixing and cost and conveyance of all mateials to the work site etc., complete complying with standard specification and as directed by the departmental officers.

Fabricating, supplying and erection of V-GROOVE SCREW GEARING SHUTTER of size 0.70m x .75m with the shutter plate and gusset plate should be made of 6mm MS plate. The shutter outer frame should be made combined of M.S.Channel of size 50 mmx 6mm ( ISA) and MS angle of size ISA 50mm x 50mm x 6mm. The Screw Gearing rod should be made of 50mm dia MS rod, The top channel should be made with MS Channel of size ISMC 150mm x 75mm.The heavy duty cast iron gear box to the top of channel. Fixed V-groove inner frame should be made of MS angle of size ISA 50mm x 50mm x 6mm and hold fast should be made of MS angle of size ISA 35mm x 35mm x 6mm to a required length. A sill plate is made of MS Plate of size 0.90mx0.15m with 6mm thick welded with under the bottom frame. All steel members are painted with Two Coats of approved first quality of anti corrosive Black paint over the red oxide primer one coat is applied as directed by the departmental officers. The Shutter should be weighed, fixed firmly, Water tight, true to plumb line and trial operation carried out as directed by the departmental officers, The rate inclusive of cost of materials, labour charges, transport, taxes, erection, conveyance charges, to & fro from the site of work, hire charges for machinery, consumables.etc.,

Fabricating, supplying and erection of V-GROOVE SCREW GEARING SHUTTER of size 0.45m x 1.10m with the shutter plate 6 mm and gusset plate should be made of 10 mm MS plate. The shutter outer frame should be made combined of M.S.Channel of size 150 mmx 75mm ( ISMC) and MS angle of size ISA 50mm x 50mm x 6mm. The Screw Gearing rod should be made of 50mm dia MS rod, The top channel should be made with MS Channel of size ISMC 150mm x 75mm.The heavy duty cast iron gear box to the top of channel. Fixed V-groove inner frame should be made of MS angle of size ISA 40mm x 40mm x 6mm and hold fast should be made of MS angle of size ISA 35mm x 35mm x 5mm to a required length. A sill plate is made of MS Plate of size 0.70mx0.12m with 6mm thick welded with under the bottom frame. All steel members are painted with Two Coats of approved first quality of anti corrosive Black paint over the red oxide primer one coat is applied as directed by the departmental officers. The Shutter should be weighed, fixed firmly, Water tight, true to plumb line and trial operation carried out as directed by the departmental officers, The rate inclusive of cost of materials, labour charges, transport, taxes, erection, conveyance charges, to & fro from the site of work, hire charges for machinery, consumables.etc.,

Drilling holes of 50 mm dia and 1 m deep in hard granite / RCC and inserting 16 mm RTS L shaped anchor rods of 2.20 metre length for holding foundation and fixing in position including cost of Steel and grouting the anchor holes with cement slurry complete complying with standard specification and as directed by the departmental officers

Earth work for open well excavation complying with relevant clauses of T.N.D.S.S Well sinking and with lead of 10 m in Sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil - first depth of 2m . complete complying with standerd specifications and as directed by the departmental officers.

For skin wall (Below GL 0 to 1m)

Earth work for open well excavation complying with relevant clauses of T.N.D.S.S. well sinking and with lead upto 10m in Hard stiff clay, stiff black cotton soil, hard earth shales, murram, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil -first depth of 0 to 2m. complete complying with standard specifications and as directed by the departmental officers.

For skin wall (Below GL 1 to 3m)

Earth work for open well excavation complying with relevant clauses of T.N.D.S.S. well sinking and with lead upto 10m in soft disintegrated rock, laterite, soft rock or kankar not requiring blasting - first depth of 0 to 2m. complete complying with standard specifications and as directed by the departmental officers.

For skin wall foundation (Below GL 3 to 4.00m)

Providing and laying in position, Standardised Reinforced cement concrete Mix M-25 Grade in accordance with IS:456-2000, using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 350 kg/m3 and maximum water cement ratio of 0.50, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate/retard setting of concrete, improve workability without impairing strength and durability with about (5.0 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standards. (No separate payment will be made by the Department for the excess usage of materials).

Below GL (0 to 1.5m)

Below GL (1.5 to 4.5m)

Above Ground Level

Providing and Laying No fine cement concrete 1:4 using 20mm gauge hard broken granite stone jelly for all concrete items of works complete complying with standard specification and as directed by the departmental officers

Drilling of 150 mm dia bore wells in hard rock areas to the required depth as directed by the departmental officers including labour charges for inserting casing pipes assembly in the drilled holes, if necessary grouting the casing pipe etc., including transportation charges for the rigs and supporting vehicles from one place to another place (the casing pipe has to be supplied by the contractor at the rates noted in a separate item) complete complying with standard specification and as directed by the departmental officers

Supplying and erection of PVC slotted pipe for bore wells of size 140mm dia (6 kg /sqcm) of best approved quality with ISI mark with necessary PVC coupling etc., complete complying with standard specifications and as directed by the Departmental Officers.

Supplying and fixing of suitable end cap for bore wells of 140mm dia PVC pipes as complete complying with standard specifications and as directed by the Departmental Officers.

Supplying and filling 40mm jelly as filter media in recharge wells, inlucing cost and conveyance of materials to site of work with complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing M.S Grill for recharge shaft in 3.30 m diameter using ISA 50x50x6mm angle for alround frame and 12 mm x12mm square rod in 150mm center to center spacing in both directions and weld mesh 7.50x2.50cm - 10Gauge weld to frame alround ec., including Anchor rod using ISA 50 x50 6mm for fixing in to comcrete 1.50m interval 300mm depth including all welding charges, transporting charges fixing charges and one coat Zinc Chrimet red oxide primer for iron grills and weld mesh etc., complete complying with standard specification and as directed by the departmental officers.

Painting new iron works 2 coats with enamel paint including cost of paint etc., complete complying with standard specification and as directed by the Departmental Officers.

Refilling with excavated soil (other than sand) complying with standard specification for filling in foundation and basement as complete complying with standard specification and as directed by the Departmental Officers.

Earth work excavation in all soils except medium rock/hard rock requing blasting and conveying for formation of bund with lead of 0 to 100m deploying earth moving machinery and tippers including benching, formation of bunds, breaking clods, sectioning, etc., complete.

Supplying and fixing truss for supporting the 0.60 metre dia pipe crossing the odai using mild steel channel MC 200 for bottom support and equal legged angle of size 65x65x6 mm for horizontal and cross stiffener including labour charges for Labour charges for petty Iron work straps (Wrought and fixed) including all welding charges, transporting charges fixing charges and one coat Zinc Chromet red oxide primer for iron grills etc., complete complying with standard specification and as directed by the departmental officers.

Provision of hire charges for diesel pump set for bailing out excess water during the excavation of open well in recharge shaft

GST 18 % in figures

M K SELVA (BID ID -1374699)