Military Engineer Services-MES has published Tender For Repair To Joint Filling, Including Repair To Concrete Pavements And Cracks With Elastomeric Concrete At Ptt, Ltt And Connected Despersal In Tech Area At Af Stn Phalodi. Submission Date for this Tender is 01-06-2024. Road Work Tenders in phalodi Rajasthan. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 24-May-2024 | amendments | BOQ | 01-06-2024 |
| Sl. No. | Item Description |
| 1 | M&L for cleaning and Racking out of old expansion joint of any length, 20 mm to 30 mm wide and 45 mm to 55 mm deep of existing sealant compound, back up rod and filler board of the existing joints by special tools like chisel, hammer, L type hook, racker/cutting blades/machines, widening of joints by 2 mm by using joint cutting blades of appropriate size, straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and other debris Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant thereafter filled with pre-molded 25 mm thick compressible polyethylene closed cell type filler board as specified, over it filled with closed cell medium density, cross linked polyethylene foam backup rod of 30 mm t 40 mm dia for complete length of the joint. Finally filled with pitch free grey polyurethane joint sealant meeting the requirements mentioned in BS-5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor MAF of +/- 30% minimum depth of sealent above de bonding strip shall be 10-15mm and applying masking tap on edges ofjoint to prevent accidental spillage of sealent and removing the masking tape after sealent is applied complete all as specified and directed. |
| 2 | M&L for cleaning and Racking out of old dummy joints of any length, 8 to 10 mm wide and 26 to 31 mm deep of existing sealant compound and back up rod of the existing joints by special tools like chisel, hammer, L type hook, cutting blades/machines, widening of joints by 2 mm by using joint cutting blades of appropriate size straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil vegetation and other debris Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant. Thereafter filled with closed cell, medium density, cross linked polyethylene foam backup rod of 10 to 12 mm dia fo complete length of the joint, over it to be filled with pitch free gray polyurethane joint sealant meeting the requirements mentioned in BS-5212, BS 4254 and EN-1418752003 with minimum movement accommodation factor (MAF) of+/- 30% minimum depth of sealent above de bonding strip shall be 10-15mm and applying masking tap on edges ofjoint to prevent accidental spillage of sealent and removing the masking tape after sealent is applied complete all as specified and directed. |
| 3 | M&L for cleaning and Racking out of old construction joints of any length, 12 to 18 mm wide and 31 to 45 mm deep of existing sealant compound and back up rod of the existing joints by special tools like chisel, hammer, L type hook, cutting blades/machines, widening of joints by 2 mm by using joint cutting blades of appropriate size straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil vegetation and other debris . Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before pouring the sealant Thereafter filled with closed cell medium density, cross linked polyethylene foam backup rod of 15 to 20 mm dia for complete length of the joint, over it to be filled with itch free gray polyurethane joint sealant meeting the requirements mentioned in BS-5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor (MAF) of+!- 30%minimum depth of sealent above de-bonding strip shall be 10- 15mm)and applying masking tap on edges ofjoint to prevent accidental spillage of sealent and removing the masking tape after sealent is applied complete all as specified and directed. |
| 4 | M&L for Cutting existing loose patches/spalled edges, widening of existing cracks of concrete pavement in true geometrical shapes to average depth of 20 mm to 25 mm using diamond cutters operated with gen sets, cleaning the surface dry and free from dust/dirt with air compressor in order to achieve proper bond between elastomeric concrete and cement concrete surface and applying polyurethane based elastomeric concrete over a coat of approved primer as per manufacturer"s instructions including supply and fixing masking tape on pavement surface to prevent accidental spillage of elastomeric concrete and removing the masking tape and cleaning the area of application after the application is over complete all as specified and directed. Note:- No claim shall be made by contractor for above Sr Item No 1 to 4 for Site availability as per User"s /site requirement and stoppage of work due to any aircraft coming and stoppage of work in a day. The rates shall be deemed to be included in the respective items. |
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