1. PURPOSE
1.1 This engineering standard shall be used to aid in the preparation and verification of design drawings. This standard describes the basic information that should be contained on the types of design drawings specified in the scope section.
2. SCOPE
2.1 This standard applies to Civil/Structural design drawings. Types of drawings included are as follows:
Piling or Drilled Pier
Oil Water Separator Vaults
Foundation
Field Erected Cooling Tower Basins
Grout Schedule
3. RELATED DOCUMENTS
3.1 Air Products Standard Drawings
309704D Anchor Bolts A307
309705D Anchor Bolts A320-L7
309706D Joint Details for Concrete Floor Slabs
309707D LOX Compatible Joint Details for Concrete Work
309708D Trailer Wheel Stop and Landing Gear Pad
309709D Joint Details for Concrete Roadway Pavement
309710D Ladders and Safety Gate
309711D Stairs
309712D Railing
309713D Beam or Angle to Embedded Steel
309721D Cooling Tower – Embedded Details (Metric)
309722D Cooling Tower – Concrete Joint Details (Metric)
309723D Structural Embedments Concrete Work (Metric)
309725D Ladders and Safety Gate (Metric)
309726D Stairs (Metric)
309727D Railing (Metric)
309730D Cooling Tower – Screen Details
309731D Cooling Tower – Embedded Details
309732D Cooling Tower – Concrete Joint Details
309733D Structural Embedments Concrete Work
309735D MCC Pit (< 12′-0)
309736D MCC Pit (12′-6 to 36′-0)
309737D Motor Control Center Pit Details
309738D Haunched Slab and Miscellaneous Details
309755D Beam or Angle to Embedded Steel (Metric)
309756D Cooling Tower – Screen Details (Metric)
309757D Haunched Slab and Miscellaneous Details (Metric)
309758D MCC Pit (< 3660) (Metric)
309759D MCC Pit (3810 to 10970) (Metric)
309760D Motor Control Center Pit Details (Metric)
309762D Trailer Wheel Stop and Landing Gear Pad (Metric)
3.2 Air Products Engineering Documents
3CS02001 Grouting of Equipment and Structures
4CS02001A Anchor Bolt Design and Selection
4CS02002A Cooling Tower Sump Arrangement (Horizontal Pumps)
4CS05003A Abbreviations
4ACS-640101 Reinforcing Steel
4ACS-640102 Concrete Work
4ACS-640106 Grouting of Equipment and Structural Steel
4ACS-640110 Treated Timber Piling
4ACS-640113 Auger Cast Piling
4ACS-640114 Steel H Piling
3.3 American Concrete Institute (ACI)
117 Standard Tolerances for Concrete Construction and Materials
4. Philosophy
4.1 The following drawing checklists list by drawing type the pertinent information that should be shown on the design drawings. The checklists are not intended to be all-inclusive, but rather a tool to help in the drawing preparation and verification process.
4.2 Although not all of the referenced documents may have been specifically referenced in the individual checklists, they may be applicable to the work performed under the specified subjects.
5. DRAWING CHECKLISTS
5.1 Piling or Drilled Pier
5.1.1 North arrow and scale bar on plan view.
5.1.2 Dimensional plan showing location of all piles required.
5.1.3 Piling log calling out all the characteristics of the individual piles, that is, pile number (P1, P2), capacity (tons), type (for example, timber, pipe, or H section), section properties (such as, diameter, wall thickness, or weight per ft), length, depth, and cut-off elevation.
5.1.4 Note explaining that lengths of piles are specified for pricing and ordering material.
5.1.5 Note referencing the appropriate piling specification.
5.1.6 Abbreviations used on drawings are in conformance with 4CS05003A.
5.2 Oil Water Separator Vaults
5.2.1 North arrow and scale bar on plan view.
5.2.2 Coordinates locating foundation.
5.2.3 Concrete vault inside dimensions meet the following requirements:
Separator supplier drawings
12-inch minimum clearance on each side of separator
24-inch minimum clearance on inlet end of separator to allow access to anchor separator and to connect piping
30-inch minimum clearance on outlet side of separator for access to vault effluent valve by embedded ladder rungs
18-inch square sump pump pit on outlet side of separator vault opposite the ladder
5.2.4 Cover plates anchored with mechanical anchors.
5.2.5 Access in cover plate provided above oil removal pipe, sludge removal pipe, and the sump pit.
5.2.6 30-inch square access in cover plate provided above ladder.
5.2.7 Annular space in wall for inlet and outlet pipes sealed using flexible boot seals.
5.2.8 Outlet elevation set for proper discharge to customer, municipal, or other collection system.
5.2.9 When separator outlet elevation is below elevation of waste system, provide sump for pumping effluent. In most cases the sump can be combined with the vault foundation.
5.2.10 Note on drawing for use of Ipanex admixture in concrete mix for waterproofing and corrosion protection.
5.2.11 Waterstops are indicated at the construction joints between the base slab and the walls.
5.2.12 Abbreviations used on drawings are in conformance with 4CS05003A.
5.3 Foundation
5.3.1 North arrow and scale bar on plan view.
5.3.2 Elevation conversion equation if required.
5.3.3 Coordinates locating foundation match equipment location coordinates on facility arrangement.
5.3.4 Dimensional plan of concrete outline with anchor bolt locations, embedded items, and pockets.
5.3.5 Anchor bolt call-out which includes identification number from table on standard drawing 309704D or 309705D, quantity, projection, and thread length. Special anchor bolt details may be required and shall be numbered beginning with the designation AB50. A320-L7 material for bolts noted on drawing if required.
5.3.6 Elevations and/or sections showing top of concrete elevation, reinforcing steel sizes and spacing.
5.3.7 Depict any over-excavation and fill required below foundations.
5.3.8 Provide foundation containment curbs on units with possible oil leaks, that is, compressors, lube oil reservoirs, or pumps. Project Engineering and/or Machinery Engineering can identify when a curb is required.
5.3.9 Provide high points and sloped top of foundation surface for drainage of large mat foundations.
5.3.10 Curbed foundations for equipment that contains five or more gallons of oil.
5.3.11 Polyethylene vapor barrier under most flat slabs such as buildings, trailer loading/parking, and cooling tower basin foundations.
5.3.12 Level tolerances as required on foundations. Use recommendations listed in ACI 117 unless specific supplier requirements are more critical. Note the use of a steel trowel finish on building floors and chamfer exposed edges of concrete surfaces.
5.3.13 A reference to tank manufacturer’s drawing for location of anchor bolts and embedded hold-down straps for large flat bottom tanks.
5.3.14 Reference to slide plate details on items such as large horizontal storage tanks or coolers.
5.3.15 Channel embedments in electrical room slabs for leveling of panels.
5.3.16 Conduit embedments for motor feeds, truck scale wiring, and heating cables at cold boxes and storage tank foundations. Refer to electrical drawings for details and location.
5.3.17 Locations of existing underground utilities.
5.3.18 Provide handrails on elevated foundations (for example, cooling tower deep well, pits, or expander foundations). Refer to standard drawings for handrail details.
5.3.19 Depth and width dimensions of standard detail for building foundation haunched slabs and door stoop details.
5.3.20 A foundation location plan showing all major foundations and also miscellaneous foundations if available at time of drawing release. If miscellaneous foundations are not available at foundation package time, they can be added by revision to original foundation location plan or by providing a new drawing.
5.3.21 General concrete notes on first drawing in the foundation package; all subsequent foundation drawings shall have a reference to these notes.
5.3.22 General concrete notes reference 4ACS-640101 for reinforcing steel and 4ACS-640102 for concrete work.
5.3.23 Note to specify the compressive strength of concrete.
5.3.24 Note referencing any standard drawings that apply from paragraph 3.1.
5.3.25 Ensure anchor bolts clearances and edge distances satisfy the requirements of 4CS02001A.
5.3.26 Abbreviations used on drawings are in conformance with 4CS05003A.
5.4 Field Erected Cooling Tower Basins
5.4.1 North arrow and scale bar on plan view.
5.4.2 Coordinates locating foundation.
5.4.3 Concrete basin and sump dimensions meet the following requirements:
Cooling tower and pump supplier drawings.
Cooling tower ladders are coordinated with the basin dimensions and elevations.
Layout and sump design for horizontal cooling water pump arrangements satisfy the requirements of 4CS02002A.
5.4.4 Overflow pipe in basin wall per 309721D and shall be coordinated with the underground gravity drains.
5.4.5 Pipe sleeve(s) in the sump wall are specified with flanges to match the cooling water pump inlet piping and suction bell.
5.4.6 Ensure suction bell for horizontal pump arrangements is called out on Piping Isometrics.
5.4.7 Standard drawings for trash screens, embedments and joint details on 309730D, 309731D, 309732D, and 309733D and are referenced as required.
5.4.8 Waterstops are indicated at the construction joints between the base slab and the walls.
5.4.9 Note on drawing for use of Ipanex admixture in concrete mix for waterproofing and corrosion protection.
5.4.10 Structural monorail location and details for trash screen removal, if required, to be coordinated with cooling tower.
5.4.11 Abbreviations used on drawings are in conformance with 4CS05003A.
5.5 Grout Schedule
5.5.1 Schedule indicates type of grout to be used. Grout types selected shall be based on the information presented in 3CS02001.
5.5.2 Note referencing 4ACS-640106 for grouting.
5.5.3 For any grouting associated with machinery such as centrifugal and reciprocating machinery and the related motors, it is very important to verify with the machinery engineer that the proper grout type and detail has been selected for the application.
5.5.4 Abbreviations used on drawings are in conformance with 4CS05003A.