Gunn Park Retaining Walls

2026-11-03

All limestone surfaces shall be washed with pressurized water , approximately 1000 PSI , to remove all dust , dirt and residue from surface areas , leaving the surface in a reasonably clean , bright form . To avoid damaging the limestone , care are shall be taken to monitor the water pressure and proximity of cleaning wand to the surface . All mortar joints shall be carefully inspected and those found to have voids , cracks or openings greater than 1 / 16 " in width or those found to be eroded more than " in depth , shall be cut back to a depth of two times the joint width , but in no case deeper than 2 ", and shall then be cleaned of all loose and foreign debris with air and / or water pressure . Defective mortar joints that have been cut and cleaned shall then be pointed ( filled and tightly packed ) with a non - staining , non - shrinking , Type " N " masonry pointing mortar , colored and tooled to match the adjacent joints in appearance as closely as possible . 3 ' X 3 ' mock - up panels shall be prepared by contractor and approved by owner , for the mortar prep / cutting process as well as the joint repointing . Approval of the new mortar color and joint profile is required prior to installation . Prior to installing the new mortar , the masonry surfaces shall be thoroughly wet , with no standing water ( saturated surface dry ). This bid should include 3 , 000 square feet of mortar joint repair / repointing . Contractors shall provide a square foot unit price for the adjustment of more , or less repointing completed . The contractor shall be responsible for providing adequate documentation of the repointing quantities . Areas of heaved and displaced limestone units shall be removed , the units cleaned and reset with new mortar , colored and tooled to match the original as closely as possible . of This bid should include 120 square feet of limestone units to be removed and reset . Contractors shall provide a square foot unit price for the adjustment of more , or less resetting limestone units . The contractor shall be responsible for providing adequate and comprehensive documentation of the resetting quantities . Areas of missing limestone units shall be cleaned and prepped for installation of new limestone units , set in new mortar colored and tooled to match the original as closely as possible . Samples of new units shall be submitted for approval prior to installation . This bid shall include the replacement of 110 square feet of missing limestone units . Contractors shall provide a square foot unit price for the adjustment of more , or less replacement of limestone units . The contractor shall be responsible for providing adequate and comprehensive documentation of the replacement quantities . 100 % of the retaining walls shall have a new " mortar wash / wall cap " installed . Any existing mortar cap shall be removed and the surface cleaned in preparation for installation of a new cap . The new mortar cap shall be a type " S " mortar , at least 1 " thick , in all locations , and be tooled to provide a crowned center with positive drainage to the front and back .

Kansas

2026-04-08