Retender (4) - OR 2019-20 -Maintenance to various bridges under bridges section, 2 Payyanur 2

Amount

Appendix A

16.18 : Replacement of Damaged Concrete Railing.Replacement of Damaged Concrete Railing.

16.22 : Repair of RCC Railing : Carrying out repair of RCC m30 railing to bring it to the original shape.Repair of RCC Railing : Carrying out repair of RCC m30 railing to bring it to the original shape.

14.7 : Construction of RCC railing of M30 Grade in-situ with 20 mm nominal size aggregate, true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500, center to center spacing between vertical post not to exceed 2000 mm, leaving adequate space between vertical post for expansion, complete as per approved drawings and technical specifications.Construction of RCC railing of M30 Grade in-situ with 20 mm nominal size aggregate, true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500, center to center spacing between vertical post not to exceed 2000 mm, leaving adequate space between vertical post for expansion, complete as per approved drawings and technical specifications.

od22276/2019_2020 : Providing platform over pipes of size 15mm to 20mm. Dia errected and platform made up of 25 Nos. post of average 15m long and the platform consist 25mm, thick planks placed to 125mm and 75 mm irul wood joists placed tied at 60 cm intervals including all hire and labour charges for fixing and laying the platform, cost of nails, coir etc., including removal of entire platform after completion of the work.

16.3 : Guniting concrete surface with cement mortar applied with compressor after cleaning surface and spraying with epoxy complete as per Technical SpecificationGuniting concrete surface with cement mortar applied with compressor after cleaning surface and spraying with epoxy complete as per Technical Specification

2.4.1.C : Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres <br> Prestressed / Reinforced cement concrete grade M-20 & above. - By Manual Means <br>Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres Prestressed / Reinforced cement concrete grade M-20 & above. - By Manual Means

16.11 : Eproxy bonding of new concrete to old concreteEproxy bonding of new concrete to old concrete

16.5.B : Sealing of cracks/porous concrete by injection process through nipples/Grouting complete as per Technical Specification Cement Mortar (1:1) GroutingSealing of cracks/porous concrete by injection process through nipples/Grouting complete as per Technical SpecificationCement Mortar (1:1) Grouting

16.8 : Applying epoxy mortar over leached, honey combed and spalled concrete surface and exposed steel reinforcement complete as per Technical SpecificationApplying epoxy mortar over leached, honey combed and spalled concrete surface and exposed steel reinforcement complete as per Technical Specification

16.23 : Repair of steel railing to bring it to the original shape It is assumed that the damage to the steel railing is to the extent of 10 per cent .Repair of steel railing to bring it to the original shape It is assumed that the damage to the steel railing is to the extent of 10 per cent .

od22449/2019_2020 : Providing expansion joint 7.50m long with aluminium sheet 18 gauge, 45cm wide including cost, conveyance, cutting of sheet bending and fixing in position and filling bitumen and saw dust mix etc. complete as directed by the dept. officers at site.

Appendix B

od21079/2019_2020 : Engaging Coolie for petty works,etc where skilled labours are not essential

2.1.1 : Cutting of trees, including cutting of trunks, branches and removal of stumps, roots, stacking of serviceable material with all lifts and up to a lead of 1000 metres and earth filling in the depression/pit.<br> Girth from 300 mm to 600 mmCutting of trees, including cutting of trunks, branches and removal of stumps, roots, stacking of serviceable material with all lifts and up to a lead of 1000 metres and earth filling in the depression/pit. Girth from 300 mm to 600 mm

14.16 : Providing and applying 2 coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, efflorescence and applying paint @ of 1 litre for 2 sqm.Providing and applying 2 coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, efflorescence and applying paint @ of 1 litre for 2 sqm.

8.5 : Providing and fixing of direction and place identification retro-reflectorised sign with 7 years warranty manufactured as per IRC :67 made of Type IV micro prismatic grade sheeting fixed over aluminium sheeting, 2 mm thick/ aluminium composit material sheeting 4 mm thick with area not exceeding 0.9 sqm, with suitable back supporting frame of MS angle 40x40x6 and supported on GI pipe pole 50mm NB confirming to IS 1239 firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete min size 45 cm x 45 cm x 60 cm, 60 cm below ground level including painting all exposed surface with 2 coats of epoxy painting over epoxy primer and as per approved drawing and clause 801 including lettering symbols etc.Providing and fixing of direction and place identification retro-reflectorised sign with 7 years warranty manufactured as per IRC :67 made of Type IV micro prismatic grade sheeting fixed over aluminium sheeting, 2 mm thick/ aluminium composit material sheeting 4 mm thick with area not exceeding 0.9 sqm, with suitable back supporting frame of MS angle 40x40x6 and supported on GI pipe pole 50mm NB confirming to IS 1239 firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete min size 45 cm x 45 cm x 60 cm, 60 cm below ground level including painting all exposed surface with 2 coats of epoxy painting over epoxy primer and as per approved drawing and clause 801 including lettering symbols etc.

Bidder Name

SIJU. K.C.