Best Practices for Project Management, Design, and Construction of ...
Best Practices for Project Management, Design, and Construction of ... Best Practices for Project Management, Design, and Construction of ...
Site Plans If the project involves outside (exterior) electrical work, then it should be clearly shown in the site plan documentation. Based upon the complexity of the project, the site plan should be developed into multiple documents such as: o o o Site Plan – Electrical Power Site Plan – Lighting Site Plan – Low Voltage Systems Floor Plans It is recommended to follow the architectural floor plan nomenclature for sheet order and sheet numbering in order to simplify the logical sequence of cross-coordination with all trades (disciplines). Traditionally, the floor plans provide the documentation of the architectural features as a shaded background and the electrical devices are prominently shown on top of these locations. Enlarged Drawings The drawings that contain a significant amount of information require much more space to clearly communicate the scope of work. These drawings tend to be the ¼” scale or larger, in order to show exact placements and or intent. In addition, these drawings may comprise several elevations to demonstrate the intent. Organization and Approach The electrical drawings represent work that is closely coordinated with many other disciplines such as architectural, structural, mechanical, and plumbing. The need to have very well coordinated drawings is especially important with respect to mechanical and plumbing equipment. Reflected ceiling plans are another key coordination effort. Many of the design issues that arise from plan review are from non-concurrent referenced plans such as a reflected ceiling plan or mechanical plan indicating fire/smoke damper locations, for example. Based on many experiences, the last minute little changes from one discipline cause large issues for another discipline. Drawing Content The electrical drawings should reflect the clear scope of work and the application of separate systems on their own drawings will provide better definition of the intended work. Examples of this are as follows: Sheet Description: o o o o o o Electrical Title Sheet, Drawing Index Schedules, Notes, Lighting Schedules Site Plan – Electrical Site Plan – Lighting Site Plan – Low Voltage / Communication Floor Plan – Electrical (OSHPD Best Practices) Page 54 DRAFT FINAL, Sept. 2011
o o o o o o o o Floor Plan – Lighting Floor Plan – Low Voltage Systems (Voice/Data, Nurse Call, TV) Floor Plan – Fire Alarm One Line Diagram Panel Schedules Panel Schedules Enlarged Floor Plans – Electrical Details Existing Conditions Projects that occur within existing spaces require an additional level of care and planning. The need for good site investigation and documentation requires a significant level of time and costs of the design team. In many cases, the initial scope of a project may be significantly altered once the existing infrastructure is evaluated. The emphasis should be placed on field investigations, followed by clear documentation of the existing facility restraints regarding the project. The existing electrical and low voltage systems in most cases, must stay operational and thus significant work-around planning must be developed. Showing much of the existing infrastructure helps to convey the true scope of work to the trades involved and minimize future scope changes. (OSHPD Best Practices) Page 55 DRAFT FINAL, Sept. 2011
- Page 3 and 4: • Part 1 of Title 24 is the Calif
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Floor Plan – Lighting<br />
Floor Plan – Low Voltage Systems (Voice/Data, Nurse Call, TV)<br />
Floor Plan – Fire Alarm<br />
One Line Diagram<br />
Panel Schedules<br />
Panel Schedules<br />
Enlarged Floor Plans – Electrical<br />
Details<br />
Existing Conditions<br />
<strong>Project</strong>s that occur within existing spaces require an additional level <strong>of</strong> care <strong>and</strong> planning. The<br />
need <strong>for</strong> good site investigation <strong>and</strong> documentation requires a significant level <strong>of</strong> time <strong>and</strong> costs <strong>of</strong><br />
the design team. In many cases, the initial scope <strong>of</strong> a project may be significantly altered once the<br />
existing infrastructure is evaluated.<br />
The emphasis should be placed on field investigations, followed by clear documentation <strong>of</strong> the<br />
existing facility restraints regarding the project.<br />
The existing electrical <strong>and</strong> low voltage systems in most cases, must stay operational <strong>and</strong> thus<br />
significant work-around planning must be developed.<br />
Showing much <strong>of</strong> the existing infrastructure helps to convey the true scope <strong>of</strong> work to the trades<br />
involved <strong>and</strong> minimize future scope changes.<br />
(OSHPD <strong>Best</strong> <strong>Practices</strong>) Page 55 DRAFT FINAL, Sept. 2011