Attachment_10_-_Architecture_Use_Case.pdf
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- Attached to
- Enterprise Architecture, Data, and Engineering (EADE) Federal contract opportunity
- Solicitation number
- HTC71119RD007
About this file
This document contains a use case outlining the construction of a new family home. It details the process by which Mr. and Mrs. Charles worked with various contractors over a six month period to build a new nine acre property in northern Illinois. Key steps included hiring an architect to design the home based on Mrs. Charles' requirements, obtaining financing from the local bank, engaging subcontractors to complete surveys, pour foundations, frame the house, install plumbing, HVAC, electric, siding, drywall, floors, appliances and complete final inspections. The general contractor coordinated and ensured completion of each stage of construction, which was inspected and approved by the county before further work commenced. The home was completed and ready for occupancy by November 1, 2018, when the move-in permit was issued.
The related federal contract opportunity is a solicitation to provide enterprise architecture, data, and engineering services to the Department of Defense's United States Transportation Command. Amendment 0004 revises the evaluation criteria for cost/price under the addendum to provision 52.212-2.
Attachment 10 - Use Case
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Text version
A New Charles Family Farm House Use Case
In January 2017, Mrs. Charles informed her husband it was time that they begin planning to build a new family home in southern Illinois. She would like to be involved in the details with the contractors on matter of location, building design, paint and siding color. The couple intended to add to the family and their current, 1800 square foot, 3 bedroom, house was already too small. A larger residence was always in the plans for the Charles family however, they could not afford two mortgages for more than a six month period and the current housing market was taking eight to twelve months to sell a house.
Mr. Charles wanted to build his own house and start his own farm with at least eight acres with a move in date that was prior to the start of winter. He knew it would take approximately six months to build the new family home. The realtor located three plots of land, one with six acres, one with nine acres and one with eight acres in northern Illinois. After reviewing the three plots of land the Charles’ decided on the nine acres. There was much to be completed over the next several months in order for the Charles family to successfully work their way through the process of relocating to the new residence. Mr. Charles was the general contractor responsible for the coordination with all the appropriate offices/contractors and ensured payment draw from the bank after completion of each install and passing inspection. The architect only took two months, from the time Mrs. Charles had informed her husband that she was ready to plan the new house, to create plans and drawings based on the requirements of Mrs. Charles.
Mr. Charles attempted to obtain a thirty year loan, at four percent, at the local credit union. After six weeks of negotiations to obtain a loan Mr. Charles left the credit union and was able to obtain a loan at the local bank with his terms.
Mr. Charles hired several contractors, starting with a land surveyor who used 3D scanners and drones to examine the property and mark the layout of the house on the land. Then he hired a foundation company contractor to come in and pour the basement walls based on those markings. Once the walls were dry, the county inspector came out to inspect to ensure rebar was in place and concrete poured correctly. A passing inspection was required before the plumber could come in to rough in the plumbing in the basement for bathrooms and sump pump. The county inspector returns to the property to inspect the plumbing to ensure it is installed correctly prior to the foundation company coming back out to pour more concrete to form the basement and garage floor.
Mr. Charles hired the house framers to come out and frame the entire house and garage over a period of two weeks and then Mr. Charles called the county inspector to come out to inspect the framing prior to the roofers installing a water tight roof. While the roof was being inspected the plumber roughed in the waterlines before the heating and cooling repairmen contractor was able to install the new Geothermal system. Mr. Charles ensured close coordination with the electrician to enable the connections.
The electrician roughed in the electrical wiring and cabling which required an inspector to complete an inspection of the electrician’s work. At the same time the siding company came out to install siding on the house once the masons had completed the laying of the brick on the front of the house.
The insulation contractor insulated the house using the blown in method and coordinated with plumbing, heating, and the electricians to ensure the county inspection passed upon completion of the install.
The drywall and finishing contractors came in over a period of three weeks to drywall, tape, and mud the entire house and garage. Mr. Charles pointed out areas that required rework and a seven day drying period prior to the required inspection taken place.
The painters primed and painted the entire house based on Mrs. Charles color selections. The carpenter contractor trimmed out the entire house to include doorframes, baseboards, crown molding and doors. This required a drying period of eight days prior to them coming back in to hang the doors. Meanwhile, the electrician installed the lighting fixtures throughout the house.
In order to save money, Mr. Charles installed the tile in the kitchen and entryways. The carpenter installed the kitchen and bathroom cabinets and upon completion, the Lowe’s contracted support installed carpet throughout the rest of the house.
The contractor delivered all the appliances into the new garage for the general contractor to install. The plumber hooked up water to all faucets, the dishwasher, and the refrigerator; then, the inspector came out to inspect the connections. The general contractor notified the county that they were ready for a final inspection. The inspector inspected the entire house to ensure the contracted items were in a finished state, and the smoke detection and the fuse panel were installed to ensure the house was ready to be occupied by the owner. The final inspector confirmed with the general contractor that the home was ready. Mrs.
Charles’ plan was to move in the day after receiving the occupancy permit. The move in permit was provided to the general contractor on 1 November 2018. Mr.
Charles completed all transactions with the bank and closed on the loan paperwork two week later.
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