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Commercial Plumbing Services

Description

• Schematic Design Report
• Applicable Code List
• Design Guidelines or Standards
• Symbols List (Titled Block)
• Site Utility Plan
• Architectural Layouts of Plumbing Fixture and Room Identity Number
• Elevation of Building and Section Indication of Floor-To-Floor Height and Plenum Height
• Size, Location, and Depth of all Adjacent Available Sewers, Water and Gas Mains
• Indicate any Special Requirement to the Local Department or Utility Company
• The Available Maximum and Minimum Water Pressure at a Given Elevation, at Static and Residual Conditions
• Minimum Pressure Required at Remote Fixture
• Specify Whether Drinking Fountains will Be supplied from a Central Chilled Water System
• Drinking Fountains provided with Local or Integral Cooling Units
• Calorific Value of Fuel Gas
• Minimum Pressure Required at Fixture and Available Gas Pressure

• Reviewing location and type, and giving identity (if not given) to plumbing fixture.
• Documentation of the plumbing fixtures and size estimation of:
• House sewers
• Water services
• Gas service
• Hot water load

• Estimating friction loss per 100 ft from available pressure
• Estimating distance of remote fixture and minimum pressure required for it
• Determining the need of booster pumps for domestic water system
• Assigning fixture unit to each plumbing fixture in accordance with usage and concerned codes
• Finding total fixture units for hot and cold water
• Converting fixture units to GPM (considering system predominant flash valve or flash tank)
• Sizing all individual ranches in accordance with friction loss and flow requirement
• Selecting and locating fittings like backflow preventors, water hammer arrestor, water pressure regulator, etc.

• Assigning fixture unit to each plumbing fixture in accordance with usage and concern codes
• Checking whether sump pumps or sewage ejector pumps are required
• Determining the number of sanitary and vent risers considering space availability and obstruction
• Sizing sanitary drainage/vent risers in accordance with the number of fixture units to be carried
• Sizing horizontal of sanitary drainage/vent run in accordance with the number of fixture units to be carried and permissible slope from code

• Estimating roof area and finding riser and horizontal run size from rain flow data and applicable code
• Locating roof drains, leaders, main stacks, fire standpipe risers, sprinkler risers, floor drains, floor sinks, funnel drains, etc. in according with the HVAC system
• Verifying structural drawings for space conditions affecting the plumbing work with a special look out for beams below pipe chases
• Providing necessary pipe spaces, wall thickness, etc. for plumbing work

• Domestic Hot / Cold Water Diagram
• Sanitary Drainage and Vent Diagram
• Storm Water Drainage Diagram
• Laboratory / Radioactive Drainage and Vent Diagram
• Oral / Laboratory Vacuum Diagram
• Fuel / Medical Gas Diagram
• Compressed Air Diagram
• Fire Protection Diagram

• Refining the design
• Designing supports for pipe considering implication seismic zone, if applicable
• Indicating various type support at floor plan
• Showing major pipe in double line
• Organizing section for important location of floor plan
• Coordinating with Electrical and HVAC services for location of pipe, drain, etc, (If necessary incorporate change in location)
• Refining the drawing that shows all details required for execution of site work