{"id":379834,"date":"2024-10-20T03:04:12","date_gmt":"2024-10-20T03:04:12","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-21-30408387-dc\/"},"modified":"2024-10-26T05:32:04","modified_gmt":"2024-10-26T05:32:04","slug":"bsi-21-30408387-dc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-21-30408387-dc\/","title":{"rendered":"BSI 21\/30408387 DC"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\n30408387_Form 36.PDF <\/td>\n<\/tr>\n
3<\/td>\n30408387_Text.pdf <\/td>\n<\/tr>\n
7<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
8<\/td>\n3 Terms, definitions and symbols
3.1 Terms and definitions
3.1.1 2-port control valve
3.1.2 batch work flushing
3.1.3 cooling interface units (CIU)
3.1.4 cooling system
3.1.5 dead-leg
3.1.6 heating system
3.1.7 heat interface units (HIU)
3.1.8 flushing rig <\/td>\n<\/tr>\n
9<\/td>\n3.1.9 foul water drainage
3.1.10 lock shield valve (LSV)
3.1.11 open vented closed system
3.1.12 practical completion
3.1.13 premises
3.1.14 pressure independent control valve (PICV)
3.1.15 sealed system
3.1.16 terminal unit
3.1.17 thermostatically controlled radiator valve (TRV)
3.2 Symbols <\/td>\n<\/tr>\n
11<\/td>\n4 System design and installation
4.1 General
4.2 Accessibility and maintainability
4.2.1 Location and labelling
4.2.2 Isolation of plant and equipment
4.2.3 Air vents and drain points
4.2.4 Flushing connections <\/td>\n<\/tr>\n
12<\/td>\n4.3 Protection for sensitive plant and terminal units
4.3.1 Sensitive plant and terminal units
4.3.2 Bypasses for terminal units and plant items <\/td>\n<\/tr>\n
14<\/td>\n4.3.3 Flushing facilities for chilled beams, radiant panels and FCUs
4.3.4 Flushing facilities for underfloor heating systems <\/td>\n<\/tr>\n
15<\/td>\n4.3.5 Flushing facilities for radiators
4.3.5.1 General
4.3.5.2 Radiators <\/td>\n<\/tr>\n
18<\/td>\nThe use of additional full bore isolation valves local to the TRV and LSV (see Figure 6) to enable the temporary removal of the TRV and LSV before linking the flow and return, or the installation of an appropriately positioned flushing bypass below t…
4.3.7 Flushing facilities for radiant panels and chilled beams\/panels <\/td>\n<\/tr>\n
20<\/td>\n4.4 Heating and cooling sources flushing facilities
4.4.1 Boilers and heat pumps
4.4.2 HIU and CIU <\/td>\n<\/tr>\n
21<\/td>\n4.5 Dynamic flushing flow measurement <\/td>\n<\/tr>\n
22<\/td>\n4.6 Use of strainers
4.7 Dosing facilities
4.8 Drainage facilities
5 Materials for installation <\/td>\n<\/tr>\n
23<\/td>\n6 Filling\/flushing water supply <\/td>\n<\/tr>\n
24<\/td>\n7 Initial filling of systems and expansion vessels
7.1 Filling <\/td>\n<\/tr>\n
25<\/td>\n7.2 Pressure testing
8 Make-up water to systems that are in operation
8.1 General
8.2 System fill water supply <\/td>\n<\/tr>\n
26<\/td>\n8.3 Sealed systems <\/td>\n<\/tr>\n
27<\/td>\n8.4 Open vented systems
9 Microbiological control prior to cleaning
10 Cleaning methodologies
10.1 Introduction
10.2 Temporary pumps
10.2.1 Temporary pump arrangement <\/td>\n<\/tr>\n
28<\/td>\n10.2.2 Pre-works planning
10.3 Flushing and cleaning
10.3.1 General <\/td>\n<\/tr>\n
29<\/td>\n10.3.2 Cleaning using mains pressure flushing <\/td>\n<\/tr>\n
30<\/td>\n10.3.3 Cleaning using powerflushing <\/td>\n<\/tr>\n
31<\/td>\n10.3.4 Cleaning using gravity flushing
10.3.5 Filtration cleaning <\/td>\n<\/tr>\n
33<\/td>\n10.3.6 Chemical cleaning of pipework
10.4 Flushing of terminal units
10.5 Flushing of boilers, HIU and CIU and bringing them on-line. <\/td>\n<\/tr>\n
34<\/td>\n11 Final dosing of circuits after cleaning
11.1 General
11.2 Biocides <\/td>\n<\/tr>\n
35<\/td>\n11.3 Inhibitor
11.4 Water quality specifications
12 Validation of water condition
12.1 General
12.2 Validation criteria <\/td>\n<\/tr>\n
36<\/td>\n12.3 Sampling and analysis plan <\/td>\n<\/tr>\n
38<\/td>\n12.4 Water quality parameters <\/td>\n<\/tr>\n
39<\/td>\n13 Mothballing\/maintaining water quality until handover
14 Handover documents <\/td>\n<\/tr>\n
41<\/td>\nAnnex A (informative) Guide to materials used for installation
A.1 Introduction
A.2 Copper <\/td>\n<\/tr>\n
42<\/td>\nA.3 Plastic <\/td>\n<\/tr>\n
43<\/td>\nA.4 Mild steel
A.5 Thin walled carbon steel <\/td>\n<\/tr>\n
44<\/td>\nA.6 Stainless steel
A.7 Aluminium
A.8 Brass <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

BS 8693 Water treatment for small volume closed systems in residential dwellings (including apartments) \u2013 Design, installation, handover and validation \u2013 Code of practice<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2021<\/td>\n47<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":379843,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[213,2641],"product_tag":[],"class_list":{"0":"post-379834","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-060-25","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/379834","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/379843"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=379834"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=379834"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=379834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}