Planning of Building Works

 

Planning of building works as per CPWD (Central Public Works Department) is a critical aspect of construction as it lays the foundation for the entire project. The planning process involves several stages and requires collaboration among various stakeholders, including architects, engineers, contractors, and government officials. Here are some key aspects of planning building works as per CPWD guidelines:

1. Preparing a Detailed Project Report (DPR): The first step in planning building works is to prepare a detailed project report that outlines the scope of work, budget, timeline, and other critical factors. The DPR should also include a feasibility study, site analysis, and environmental impact assessment to identify potential risks and constraints.

2. Approval Process: Once the DPR is prepared, it needs to be approved by the relevant authorities, such as the State or Central Government. The approval process involves submitting the DPR to the appropriate agency for review and approval, which may require several iterations of revisions and modifications.

3. Design Phase: Once the project is approved, the design phase begins, which involves creating detailed drawings and specifications for the building. The design phase includes architectural, structural, electrical, plumbing, and HVAC design, among others. CPWD guidelines provide detailed specifications and standards for each aspect of the design phase.

4. Tendering Process: Once the design is complete, the project enters the tendering phase, which involves inviting bids from contractors for the construction of the building. The tendering process is governed by CPWD guidelines, which specify the procedures and documents required for the bidding process.

5. Construction Phase: Once the contractor is selected, the construction phase begins. The construction phase includes site preparation, foundation works, construction of the building, installation of services such as plumbing, electrical, and HVAC systems, and commissioning of the building. The construction phase is governed by CPWD guidelines, which provide specifications for materials, workmanship, quality control, safety, and environmental standards.

6. Post-Construction Phase: Once the building is completed, it enters the post-construction phase, which includes maintenance and repair works. CPWD guidelines provide specifications for maintenance and repair works, including periodic inspections, testing, and maintenance of building services such as plumbing, electrical, and HVAC systems.

In conclusion, planning of building works as per CPWD guidelines involves several critical stages, including preparation of the DPR, approval process, design phase, tendering process, construction phase, and post-construction phase.

 

Here is a brief summary of the CPWD guidelines for the planning of building works, presented pointwise:

1. Site Selection: The guidelines provide criteria for selecting suitable sites for building projects, taking into account factors such as accessibility, availability of utilities, topography, and environmental considerations.

2. Architectural design: The guidelines provide guidance on the design of building layouts, including factors such as space planning, building orientation, lighting, and ventilation.

3. Structural Design: The guidelines provide specifications for the structural design of buildings, including the use of appropriate building materials, load-bearing capacity, seismic resistance, and fire safety.

4. Electrical Systems: The guidelines cover the design and installation of electrical systems in buildings, including lighting, power distribution, grounding, and electrical safety.

5. Plumbing: The guidelines cover the design and installation of plumbing systems, including water supply, drainage, sewage treatment, and fire protection systems.

6. HVAC Systems: The guidelines cover the design and installation of HVAC (heating, ventilation, and air conditioning) systems, including air distribution, temperature control, and energy efficiency.

7. Environmental Considerations: The guidelines cover the design and construction of buildings with an emphasis on minimizing their environmental impact, including strategies such as rainwater harvesting, solar energy, and green building practices.

8. Green Building Practices: The guidelines promote the use of sustainable building materials, energy-efficient systems, and environmentally friendly practices in the construction and operation of buildings.

9. Project Management: The guidelines provide guidance on project management practices, including budgeting, scheduling, procurement, and quality control.

Overall, the CPWD guidelines for the planning of building works are designed to ensure that building projects are executed to the highest standards of quality and safety, while also minimizing their environmental impact and promoting sustainability.

 

ELECTRICAL SYSTEM
Sl No.	Work to be Execute	Area	Description
1	Embedded in Concrete	Typical Floor	Embedded Conduits in Concrete
2	1st	Typical Floor	Marking on Block walls
3			Cutting & Chasing in block walls
4			Fix Conduits, GI Boxes in Block Walls
5	2nd	Typical Floor	G.I. & PVS Surface Conduiting
6			Installation of Distribution Boards
7			Installation of Sub-Main Boards
8			Installation of Main LV Panel
9			Erect Cable Trays
10			Cable Trucking
11			Earthing System
12			LV Cabling
13			ELV Cabling
14			Main LV Cable Termination
15			Sub main Cable Termination
16			Wiring for Lighting & Small Power
17			Wiring for ELV System
18			Wiring for Fire Fighting System
19			Circuit Continuity Test
20			Ceiling Rose & Flexible Drops
21			Distribution Boards Dressing
22			Bus bar Installation
23			Lightning Protection System
24		Basement	Transformer Installation
25			Generator Installation
26			ATS Panel Installation
27			LV Cabling from Transformer to LV Panel
28	Final	Typical Floor	Fixing Fire Alarm & Light Fittings
29			Fixing Switches, Sockets & Accessories
30	Testing & Pre-Commissioning		Circuit continuity test by bus riser
31			Continuity test LV wiring
32			Pre commissioning ELV fixtures
33			Final test and commissioning bus risers
34	Commissioning & Handover		Test and commission variable frequency drive
35			Lighting protection earth resistance test
36			Floor MDB, SMDB, MCC panel commissioning
37			Test and commission light fixtures
38			Test and commission ELV final fixtures

 

LIST OF TESTING AND COMMISSIONING ACTIVITIES ELECTRICAL
Sl. No.	Activity Description
1	Circuit continuity test by bus riser
2	Continuity test LV wiring
3	Insulation resistance test (cabling)
4	Pre commissioning ELV fixtures
5	Final test and commissioning bus risers
6	Test and commission variable frequency drive