Chapter 6 Site Construction

I. Preparation and Improvements A) Geotechnical engineers report B) Civil Engineer 1. Surveys – Boundary lines, topo, existing improvements 2. Underground Utilities – Sewer, water, storm water, gas 3. Landscape Architect – Landscape, plants

II. Contents of Drawings A) Site 1. Description of existing conditions and improvements 2. Final topography 3. Utility construction 4. Erosion control 5. Landscaping

B). Written Information. 1. Geotechnical Report. (a). Past uses. (b) B) Written Information 1. Geotechnical Report (a) Past uses (b) Soil/rock (c) Groundwater conditions (d) Location of borings (e) Treatment of soil/compaction

B). 2. Specifications – Quality of materials, work,. products. (a) B) 2. Specifications – Quality of materials, work, products (a) Construction Specific Institute (CSI) – most widely used indexing system “Masterformat” – complete format for developing project manuals

B)2. (b). Masterformat – Organizes work,. materials products. 1) B)2.(b). Masterformat – Organizes work, materials products 1) Introduction info 2) Bidding requirements 3) Contracting requirements 4) Divided into 49 segments a. Division 1 – Administrative – payment controls, execution of work b. Division 2 – 49 – Primarily quality of work – Tolerances, preparation guidelines, finishes, grades of materials, mixing guidelines

B)2. (b). 5). Each Division Divided. 24-10-20. a. General requirements B)2.(b) 5) Each Division Divided 24-10-20 a. General requirements b. Products c. Execution

3. Graphic Information. (a). Demolition Drawings – Existing 3. Graphic Information (a) Demolition Drawings – Existing conditions – What and how of removal (b) Grading Plan – Existing and planned contours (c) Utility Drawings – Existing and proposed ties (d) Storm Water Pollution Prevention Plan (SWPPPS) – Best management plan (e) Landscape Drawings – Planting scheme

4. Drawings. (a). Orthographic projections – Plan view,. sections. (b) 4. Drawings (a) Orthographic projections – Plan view, sections (b) Lines, symbols (c) Types of drawings 1) Topographic maps – Physical features, existing contours, bench marks 2) Grading plans – Existing and proposed contours 3) Utility plans – Existing, connections, profiles

III. Translating Drawings Into Work A) Bidding 1. Information from drawings, specifications 2. Site work (a) Soil removal (b) Installing excavation retention system (c) Dewatering (d) Removal of dirt (e) Importing dirt to site (f) Balance of removal/import

3. Elements of cost of excavation. (a). Soil characteristics. (b) 3. Elements of cost of excavation (a) Soil characteristics (b) Groundwater (c) Amount of material to be moved (d) Availability of equipment

Earthwork Quantities: Two Methods 1. Average End Area Earthwork Quantities: Two Methods 1. Average End Area V = (A1 + A2) x Distance 2 2. Grid Average

Interpolation – Approximating 1. Value between known values 2 Interpolation – Approximating 1. Value between known values 2. Assumes straight line gradient