ASME A112.14.3 2022

$98.04

ASME A112.14.3/CSA B481.1 – 2022 Hydromechanical Grease Interceptors

Published By	Publication Date	Number of Pages
ASME	2022	82

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Category: ASME

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Description

This Standard specifies construction and marking requirements, as well as the performance criteria for the testing and rating of hydromechanical grease interceptors, rated by flow in litres per minute and gallons per minute.

PDF Catalog

PDF Pages	PDF Title
1	ASME A112.14.3-2022/CSA B481.1:22, Hydromechanical grease interceptors
3	Standards Update Service
11	ASME A112 Standards Committee on Plumbing Materials and Equipment
15	ASME A112.14.3 Project Team on Grease Interceptors
17	CSA Technical Committee on Drains and Interceptors
20	ASME/CSA Harmonization Task Group on Drains and Interceptors
22	Preface
24	1 Scope 1.1 Inclusions 1.2 Exclusions 1.3 Terminology 1.4 Units of measure 1.5 U.S. gallons 1.6 Alternatives
25	2 Reference publications
27	3 Definitions and abbreviations 3.1 Definitions
28	3.2 Abbreviations
29	4 Material requirements 4.1 General 4.2 Optional material specifications 5 Construction requirements 5.1 General 5.2 Flow control devices 5.2.1 Rating
30	5.2.2 Flow controls and/or vents 5.3 Fasteners 5.3.1 Threaded fasteners 5.3.2 Fasteners for corrosion-resistant grease interceptors 6 Test methods and performance requirements 6.1 Loading test for covers 6.1.1 Load classification 6.1.2 Test equipment
31	6.1.3 Test method 6.1.4 Load at failure 6.1.5 Calculation of maximum safe live load 6.1.6 Cover load rating 6.2 Leakage requirements 6.2.1 Functional leakage requirements 6.2.2 Hydrostatic pressure test
32	6.3 Rating test 6.3.1 Construction of test equipment
33	6.3.2 Installation of testing equipment — Direct connection test types A, B, and C (see Figures and )
35	6.3.3 Installation of testing equipment — Indirect connection test types D
36	6.3.4 Installation of testing equipment — Interceptors larger than 378 L/min (100 gpm) types A, B, and C (see Figure )
37	6.3.5 Installation of testing equipment — Interceptors larger than 378 L/min (100 gpm) type D (see Figure )
38	6.3.6 Preliminary test procedure
40	6.3.7 Rating test
42	6.3.8 Skimming
43	6.3.9 Grease interceptor rating test reporting form 6.4 Corrosion test 6.4.1 General 6.4.2 Test method 6.4.3 Pass/fail criteria 6.4.4 Scale specimens
44	6.5 Chemical and corrosion resistant grease interceptors 7 Marking and literature 7.1 Required markings 7.2 Optional markings 7.3 Marking quality
45	7.4 Permanent markings 7.5 Cover marking 7.6 Installation instructions 7.7 Maintenance and cleaning instructions 8 Sizing, location, and installation of grease interceptors 8.1 Prohibited fixtures
46	8.2 Sizing 8.2.1 Sizing determination 8.2.2 Sizing considerations 8.2.3 Size symbols 8.3 Sizing calculations 8.3.1 Process 8.3.2 Sizing by fixture volume 8.3.3 Fixtures to be connected to grease interceptors 8.3.4 Interceptor sizing based on discharge flow rate
47	8.3.5 Multiple fixtures 8.3.6 Sizing by pipe capacity 8.4 Location 8.4.1 Location considerations 8.4.2 Clearance and access considerations 8.5 Installation 8.5.1 Types of installations 8.5.2 Prohibited fixtures
48	8.5.3 Waste line venting 8.5.4 Alternate installations
65	Annex A (informative)Additional considerations
66	Annex B (informative)Principles of operation of grease interceptors
67	Annex C (informative)Grease interceptor rating
68	Annex D (informative)Material specifications for mild steel, thermoplastics, fibreglass, and concrete
70	Annex E (informative)Chemical and corrosion resistance
74	Annex F (informative)Selection of grease interceptors — Additional information
76	Annex G (informative)Maintenance of grease interceptors
79	Annex H (informative)Best management practices for liquid waste
81	Annex I (informative)Service monitoring log