Military Engineer Services Tender

Supply only 2 component Polyurethane sealing compound conforming to BS-5212 - 1990 in 4 Kg containers. [Make: Seal 'N' Flex 2K Mfd by M/s Bostik India Pvt Ltd/ Colpor 200 PF of M/s Fosroc Chemicals (I) Pvt Ltd/ Maxflex PU of M/s Thermax Ltd/ ShaliSeal PU PG 2K of M/s STP Ltd]

Supply only Primer suitable for Polyurethane sealant for application on porous substrates in 4 Litre containers. [Make: N49 Primer Mfd by M/s Bostik India Pvt Ltd/ Primer No. 20 of M/s Fosroc Chemicals (I) Pvt Ltd/ Maxflex PU PR of M/s Thermax Ltd/ ShaliPrime S of M/s STP Ltd]

Cutting the edges of old joints filled with PU/ Grade 'B' sealing copound of following width by racking out old sealing compound from existing joints of tarmac to depth as required (subject to minimum depth of 35 mm) by special tools like cutting blades / grinding machines (use of hammers is prohibited to avoid damage to the edges) and removing old filled sealing compound from the joints by means of compressed air using hand blowers and disposal of retrieved material from old joints to a distance exc. 1.00 km but n.exc 2 km where directed and filling the joints by mechanical means as per following process: - (i) Provision of Backer rod of suitable dia to be inserted in the joint tightly as specified. (ii) Provision of adequate masking tape on either sides of joint to avoid spillage on concrete surface before applying joint sealant and removing the same after sealing of joints. (iii) Filling PU sealing compound properly for a depth of not less than 10mm for joints up to 32mm wide and 15mm for joints above 32mm wide after application of primer as directed by Engineer-in-Charge. (The finished level of sealed joints shall be on an average 3mm below the top surface of slabs) NOTE: - (i) PU Sealing compound & Primer shall be issued by the MES under Schedule 'B' free for filling/ application (ii) Quoted rate shall include for all other material components (a) Width of joint exc. 5 mm but not exc. 12 mm.