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From Ministry of Water DCOM Manual
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- 15:34, 16 July 2022 Chapter Fifteen: Operation and Maintenance of Sanitation Projects (hist) [53,339 bytes] Juma (talk | contribs) (Created page with "CHAPTER FIFTEEN OPERATION AND MAINTENANCE OF SANITATION PROJECTS 15.1 Operation and Maintenance Requirements for Sanitation Systems Operation and maintenance (O&M) activiti...")
- 15:33, 16 July 2022 Part D (hist) [334 bytes] Juma (talk | contribs) (Created page with "PART D: OPERATION AND MAINTENANCE OF SANITATION PROJECTS")
- 15:32, 16 July 2022 Chapter Fourteen: Drinking Water and Wastewater Quality Monitoring, Surveillance and Compliance (hist) [21,658 bytes] Juma (talk | contribs) (Created page with "CHAPTER FOURTEEN DRINKING WATER AND WASTEWATER QUALITY MONITORING, SURVEILLANCE AND COMPLIANCE Drinking water quality monitoring and surveillance of a water supply schemes e...")
- 15:31, 16 July 2022 Chapter Thirteen: Treatment for Special Water Sources (hist) [11,508 bytes] Juma (talk | contribs) (Created page with "CHAPTER THIRTEEN TREATMENT FOR SPECIAL WATER SOURCES Algae, arsenic, cyanobacteria, fluoride and natural organic matters are among water quality parameters that require speci...")
- 15:31, 16 July 2022 Chapter Twelve: Water Treatment (hist) [93,701 bytes] Juma (talk | contribs) (Created page with "CHAPTER TWELVE WATER TREATMENT The principal objective of water treatment in water supply industry is to produce water that is fit for domestic use from a raw water source th...")
- 15:28, 16 July 2022 Part C (hist) [223 bytes] Juma (talk | contribs) (Created page with "PART C: OPERATION AND MAINTENANCE OF WATER TREATMENT, WATER AND WASTEWATER QUALITY COMPLIANCE")
- 15:28, 16 July 2022 Chapter Eleven: Audit and Conservation of Energy (hist) [19,232 bytes] Juma (talk | contribs) (Created page with "CHAPTER ELEVEN AUDIT AND CONSERVATION OF ENERGY 11.1 Introduction Energy is very scarce and short supply commodity particularly in many of the areas in Tanzania and its cost...")
- 15:26, 16 July 2022 Chapter Ten: Pumping Machinery (hist) [71,031 bytes] Juma (talk | contribs) (Created page with "<div style="text-align:justify"> == Chapter Ten: Pumping Machinery == == General == Pumping machinery and pumping stations are very important components in water supply and...")
- 13:41, 16 July 2022 References: References (hist) [9,958 bytes] Juma (talk | contribs) (Created page with "= REFERENCES = Linh Tran (2015). The Importance of Time Management (Aspects of Project Management Part 1). Retrieved from: [https://www.inloox.com/company/blog/articles/the-im...")
- 13:32, 16 July 2022 Chapter Nine: Distribution System (hist) [25,012 bytes] Juma (talk | contribs) (Created page with "<div style="text-align:justify"> == Chapter Nine: Distribution System == The overall objective of a distribution system is to deliver safe drinking water to the consumer at...")
- 12:54, 16 July 2022 Chapter Eight: Drinking Water Storage Tanks (hist) [12,968 bytes] Juma (talk | contribs) (Created page with "<div style="text-align:justify"> == Chapter Eight: Drinking Water Storage Tanks == The main function of Service Reservoirs (SR) or Storage Tanks is to cater for daily demands...")
- 12:19, 16 July 2022 Chapter Seven: Transmission Mains (hist) [17,318 bytes] Juma (talk | contribs) (Created page with "CHAPTER SEVEN TRANSMISSION MAINS 7.1 General Objective of Transmission Mains The overall objective of transmission mains is to deliver raw water and treated water from the...")
- 12:09, 16 July 2022 Chapter Five: essential basic field construction skills (hist) [31,892 bytes] Juma (talk | contribs) (Created page with "='''CHAPTER FIVE:ESSENTIAL BASIC FIELD CONSTRUCTION SKILLS'''= In this chapter, a number of select and essential filed construction skills needs have been summarized for adhe...")
- 15:55, 15 July 2022 Chapter Six: Sources of Water Supply (hist) [56,129 bytes] Juma (talk | contribs) (Created page with "CHAPTER SIX SOURCES OF WATER SUPPLY 6.1 Types of Sources Rain, snow, hail, sleet precipitate upon the surface of the earth as meteorological water and may be considered as...")
- 15:52, 15 July 2022 Part B (hist) [226 bytes] Juma (talk | contribs) (Created page with " PART B: OPERATION AND MAINTENANCE OF THE WATER SUPPLY SOURCES AND NETWORKS Previous Page: Chapter Five: Water Supply and Sanitation Projects << >>...")
- 13:49, 15 July 2022 Chapter Five: Water Supply and Sanitation Projects (hist) [2,151 bytes] Juma (talk | contribs) (Created page with "CHAPTER FIVE WATER SUPPLY AND SANITATION PROJECTS 5.1 Types of Water Supply Schemes Effective Operation and Maintenance calls for an understanding of the types of water su...")
- 12:59, 15 July 2022 Chapter Four: Operation and Maintenance Strategy (hist) [13,533 bytes] Juma (talk | contribs) (Created page with "CHAPTER FOUR OPERATION AND MAINTENANCE STRATEGY 4.1 Introduction The large investments made to construct utilities intended to provide facilities for water supply and sanit...")
- 12:04, 15 July 2022 Chapter Three: Operation and Maintenance Objectives for Water Projects (hist) [15,055 bytes] Juma (talk | contribs) (Created page with "== CHAPTER THREE == == OPERATION AND MAINTENANCE OBJECTIVES FOR WATER PROJECTS == === 3.1 The Concept of Operation and Maintenance === The two core activities of “operatio...")
- 10:58, 15 July 2022 Chapter Two: Life Cycle Cost and Service Delivery Approach (hist) [13,301 bytes] Juma (talk | contribs) (Created page with "== CHAPTER TWO == == LIFE CYCLE COST AND SERVICE DELIVERY APPROACH == == Heading text == === Life Cycle Cost Approach === Life Cycle Cost (LCC) represents the aggregate costs...")
- 10:51, 15 July 2022 SITEWORKS (hist) [20,692 bytes] Juma (talk | contribs) (Created page with " 12 SITEWORKS 12.1 Scope The works to be carried out under this chapter comprise various site works as roads and pavements, surface drainage, planting of lawn, shrubs and tre...")
- 10:50, 15 July 2022 PIPELINES (hist) [31,377 bytes] Juma (talk | contribs) (Created page with " 11 PIPELINES 11.1 Scope This section covers the requirements for pipelines outside structures. The specification for pipe work within structures and up to 600 mm outside th...")
- 10:49, 15 July 2022 PAINTING AND PROTECTIVE COATING (hist) [26,157 bytes] Juma (talk | contribs) (Created page with " 10 PAINTING AND PROTECTIVE COATING 10.1 General This Specification covers the general requirements and standards of workmanship and the painting and protective coatings requ...")
- 10:47, 15 July 2022 ENGINEERING METALWORK (hist) [14,682 bytes] Juma (talk | contribs) (Created page with " 9 ENGINEERING METALWORK 9.1 Scope This section sets out the general requirements for the engineering metalwork required in the works. 9.1.1 General The permissible design str...")
- 10:38, 15 July 2022 Chapter Two: procurement process for water supply and sanitation projects (hist) [39,103 bytes] Juma (talk | contribs) (Created page with "==management== adhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh")
- 10:23, 15 July 2022 Chapter Three: contract management (hist) [93,705 bytes] Juma (talk | contribs) (Created page with "=CHAPTER THREE CONTRACT MANAGEMENT= ==Importance of Contract Management== Contract management involves activities performed by a PE after a contract has been awarded to determ...")
- 10:18, 15 July 2022 MISCELLANEOUS BUILDING WORKS (hist) [33,716 bytes] Juma (talk | contribs) (Created page with " 8 MISCELLANEOUS BUILDING WORKS 8.1 Scope This specification covers the general requirements for, but is not limited to, sundry items, finish hardware, sanitary installation,...")
- 10:18, 15 July 2022 TIMBER AND GLAZING (hist) [21,406 bytes] Juma (talk | contribs) (Created page with " 7 TIMBER AND GLAZING 7.1 Scope This Specification covers the requirements for, but is not limited to, all carpentry, joinery and glazing works. 7.2 Timber 7.2.1 General A h...")
- 10:17, 15 July 2022 TILING, FLOORING, SCREEDS, SUSPENDED CEILINGS AND ROOFING (hist) [36,691 bytes] Juma (talk | contribs) (Created page with " 6 TILING, FLOORING, SCREEDS, SUSPENDED CEILINGS AND ROOFING 6.1 Scope This Specification covers the requirements for tiling, flooring, screeds, suspended ceilings and roofin...")
- 10:16, 15 July 2022 MASONRY AND PLASTER WORK (hist) [17,609 bytes] Juma (talk | contribs) (Created page with " 5 MASONRY AND PLASTER WORK 5.1 Scope This Specification covers the requirements for masonry work and plaster work. 5.2 Masonry work 5.2.1 Materials 5.2.1.1 Bricks and blocks...")
- 10:14, 15 July 2022 CONCRETE, REINFORCEMENT, FORMWORK AND JOINTS (hist) [97,261 bytes] Juma (talk | contribs) (Created page with " 4 CONCRETE, REINFORCEMENT, FORMWORK AND JOINTS 4.1 General This section covers all requirements concerning concrete, reinforcement and formwork . For clarity, this section...")
- 10:11, 15 July 2022 EARTHWORKS (hist) [49,393 bytes] Juma (talk | contribs) (Created page with " 3 EARTHWORKS 3.1 General 3.1.1 Scope This Specification covers the requirements for site clearance, demolition, excavation, shoring, backfilling, compaction, importation or e...")
- 10:08, 15 July 2022 DIN SPECIFICATIONS (hist) [3,104 bytes] Juma (talk | contribs) (Created page with "== 2 DIN SPECIFICATIONS == This Specification sets out, but not limited to, the main DIN standards to be used by Contractor for the design, construction, supply and erection o...")
- 10:05, 15 July 2022 GENERAL REQUIREMENTS (hist) [50,424 bytes] Juma (talk | contribs) (Created page with "== GENERAL REQUIREMENTS == 1.1 Permissions being obtained by the Employer The Site of the Permanent Works is shown on the drawings accompanying these Employer’s Requirement...")
- 17:16, 14 July 2022 Chapter One:Introduction (hist) [39,813 bytes] Juma (talk | contribs) (Created page with "CHAPTER ONE INTRODUCTION The preparation of this DCOM manual was preceded by an overview of five important global considerations of Water Supply and Sanitation prior to revie...")
- 16:59, 14 July 2022 Part A (hist) [209 bytes] Juma (talk | contribs) (Created page with " PART A: ESSENTIALS OF OPERATION AND MAINTENANCE Previous Page: List_of_Tables_IV << >> Next Page...")
- 16:36, 14 July 2022 List of Abbreviations I (hist) [12,190 bytes] Juma (talk | contribs) (Created page with "LIST OF ABBREVIATIONS *ATAWAS Association of Tanzania Water Suppliers *CBWSO Community Based Water Supply Organisations *COWSOs Community Owned Water Su...")
- 16:15, 14 July 2022 Chapter One: Introduction III (hist) [43,552 bytes] Juma (talk | contribs) (Created page with "=Chapter One: Introduction= The preparation of this DCOM manual was preceded by an overview of five important global considerations of Water Supply and Sanitation prior to re...")
- 15:57, 14 July 2022 List of Tables IV (hist) [3,665 bytes] Juma (talk | contribs) (Created page with "LIST OF TABLES Table 6. 1: Common spring box failures and their remedies.............................................. 37 Table 6. 2: Types of data required for groundwater m...")
- 15:49, 14 July 2022 List of Special Committee Members volume III (hist) [347 bytes] Juma (talk | contribs) (Created page with "LIST OF SPECIAL COMMITTEE MEMBERS ON REVIEWING AND UPDATING THE 3RD EDITION, DESIGN MANUAL FOR WATER SUPPLY AND WASTEWATER DISPOSAL OF 2009")
- 15:09, 14 July 2022 List of Figures IV (hist) [1,273 bytes] Juma (talk | contribs) (Created page with "LIST OF FIGURES Figure 5.1: A Typical Flow Diagram Showing Water Supply System with Different Types of Units/Schemes to Delivery Point for O&M Activities. 32 Figure 10. 1: In...")
- 14:38, 14 July 2022 List of Tables (hist) [568 bytes] Juma (talk | contribs) (Created page with "List of Tables Table 2.1: Criteria for Post-Qualification of a Contractor……………………………………….32 Table 3.1: Desirable Competencies of a PM ………...")
- 14:19, 14 July 2022 List of Figures III (hist) [153 bytes] Juma (talk | contribs) (Created page with "t yet. To create the page, start typing in the box below (see the help page for more info). If you are here by mistake, click your browser's back button.")
- 14:12, 14 July 2022 List of Abbreviations IV (hist) [2,533 bytes] Juma (talk | contribs) (Created page with "LIST OF ABBREVIATIONS AGM Annual General Meeting ATAWAS Association of Tanzania Water Suppliers CBWSO Community Based Water Supply Organisations CCTV Closed Circuit Televis...")
- 13:56, 14 July 2022 List of Abbreviations III (hist) [1,959 bytes] Juma (talk | contribs) (Created page with " LIST OF ABBREVIATIONS * AO Accounting Officer * ATAWAS Association of Tanzania Water Suppliers * BOQ Bills of Quantities * BRELA Business Registrations and Licensing Age...")
- 13:56, 14 July 2022 List of Abbreviations 4 (hist) [2,344 bytes] Juma (talk | contribs) (Created page with "LIST OF ABBREVIATIONS AGM Annual General Meeting ATAWAS Association of Tanzania Water Suppliers CBWSO Community Based Water Supply Organisations CCTV Closed Circuit Televis...")
- 13:21, 14 July 2022 List of Figures (hist) [1,368 bytes] Juma (talk | contribs) (Created page with " List of Figures Figure 2.1: Flow Chart Summarizing the Procurement Process for Works……………….25 Figure 2.2: Evaluation Process for Goo...")
- 12:18, 14 July 2022 Chapter Four: Off-Site Sanitation Systems (hist) [136,537 bytes] Juma (talk | contribs) (Created page with "=Chapter Four: Off-site Sanitation Systems= Off-site sanitation refers to a sanitation system in which wastewater and excreta are collected and conveyed away from the plot whe...")
- 11:32, 14 July 2022 Volume IV: Preface (hist) [4,612 bytes] Juma (talk | contribs) (Created page with "540px|link=Preface <h4>Volume I: Design of Water Supply Projects </h4> Readmore...or Download :File:DCOM_Volu...")
- 11:31, 14 July 2022 Volume III: Preface (hist) [1,902 bytes] Juma (talk | contribs) (Created page with "540px|link=Preface <h4>Volume I: Design of Water Supply Projects </h4> Readmore...or Download :File:DCOM_Volu...")
- 11:25, 14 July 2022 Appendix N: Specifications (hist) [1,138 bytes] Juma (talk | contribs) (Created page with "= STANDARD SPECIFICATION FOR CIVIL WORKS= 1 GENERAL REQUIREMENTS 1.1 Permissions being obtained by the Employer The Site of the Permanent Works is shown on the drawings acc...")