MIL-HDBK-1191
3.9
Soil Conditions. Soil and foundation conditions shall be
investigated to assure suitability for economical excavation, site
preparation, building foundations, utility lines, grading, and
planting. Bearing capacity tests shall be made to assure stable and
economical foundations for buildings and other structures. The Design
Agents are responsible for supplying or contracting for appropriate
information early in the design process.
3.10
Siting of Utilities. Provision of utilities essential to
efficient operation and of adequate size to serve future facilities
requirements shall be considered in the early planning stages. Early
planning is necessary to avoid conflicts in the design and layout of
the various utility lines, and the early recognition of the need for
additional production and/or supply capacity. All facility projects
should specifically address the adequacy of existing utilities support
and include any additional needs. Planning of utility lines should
minimize utility easements, capital investments, and maintenance and
repair costs. Heat distribution and chilled water lines should be
located in concrete shallow trench systems. These lines should be
separated to minimize heat transfer.
3.10.1
Underground Lines. Locate underground utilities to
minimize the cost and effort of performing maintenance. Utility lines
of all types should not be located under buildings, parking lots, paved
terraces, sidewalks, and other paved areas in accordance with good
design practice. If the above criteria cannot be fully satisfied due
to existing site conditions, locate utility lines to minimize coverage
by site improvements. Locate all underground utility lines, mains, and
conduits at the minimum depth required in accordance with local code
and frost line and water table requirements. When possible, locate
underground utilities in common corridors to allow for ready access and
maintenance. Size and locate utilities to allow for future expansion
of buildings and/or utility systems.
3.10.2
Storm Drainage. Design the storm drainage system,
including gutters, drains, inlets and culverts, to carry the
anticipated runoff from the building site, including runoff from
melting snow. Design of storm drainage and erosion control will be in
accordance with design guidance provided by the Design Agent. Provide
inlets where necessary to intercept surface flow. The building up of
undeveloped areas may have a noticeable effect on installation drainage
facilities. The location and design of new facilities may require
major alterations or extensions to existing storm sewers and drainage
channels.
3.10.3
Water Service. Provide a water service loop with proper
valving to maximize reliability. Critical facilities, as designated by
the using Military Department, shall be served by two water lines from
separate sources where feasible.
3.10.4
Sanitary Sewer. New building elevations shall be
coordinated with the existing sanitary sewer elevation to avoid the
need for ejection pumps where feasible.
3.11
Vehicular and Pedestrian Circulation.
3.11.1
Street System.
Design of the street system within each
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