Replace Sewer System & Main Lateral Line: The contractor shall replace all sewer lines to (bathrooms, kitchen, and laundry room). The contractors shall tunnel to make the necessary replacements. The contractor shall replace the cleanouts with dual cleanouts. The contractor shall replace the lateral line in the front yard to city tap. The sewer system shall be leak free after replacement. The contractor shall demo or cut any concrete to make neccessary sewer replacement. The contractor shall repour any concrete the was removed and reinforce with rebar. Note: Bid does not include replacing the lead bend or vent stack in wall. Replace Central HVAC Unit: Gas Unit Contractor shall replace existing central heat and air conditioning unit as follows, remove existing unit, supply and install new central heat and air conditioning unit per manufacturer's installation requirements, new unit shall be properly sized as determined by industry approved heat/loss, heat/gain calculation. This shall include coils, condenser with approved base, thermostat, control relay, and all required material for proper installation of new central heat and air conditioning unit. Thermostat must be programmable and match the unit. The HVAC contractor shall be responsible for providing the installation of all electrical work and plumbing required to meet all City of Garland code requirements. The contractor shall repair the furnace closet which includes drywall, tape and bed, and install new door to pass COG code.