New house construction precautions

What special precautions should be taken while building a house and why? How can a house be made safe and cost-effective? Should the house be built through a contractor or under personal supervision? Who should be trusted? How should payments be made? How to check materials?Response (Translated to English):Building a house requires several precautions to ensure it is safe, durable, and within budget. Below is a concise response to your questions:1. Special Precautions and WhyStrong Foundation: Conduct soil testing to determine the foundation's depth and design based on soil type. A weak foundation can cause cracks or collapse.Quality Materials: Check the quality of cement, steel, bricks, and sand. Poor-quality materials weaken the structure.Design and Vastu: Ensure proper ventilation, natural light, and drainage. This saves energy and improves living comfort.Legal Permissions: Get the building plan approved by the municipal corporation or local authority and follow regulations to avoid fines or demolition.Water and Electricity Supply: Ensure availability of water and electricity before starting construction, as they are essential for the process.Weather Considerations: Avoid or take extra care during construction in the rainy season, as wet materials can weaken.2. How to Make a House Safe and Cost-EffectiveFor Safety:Consult an engineer and architect to ensure an earthquake-resistant and durable structure.Use the correct ratio of steel and cement (e.g., M20 or M25 grade concrete).Use fire-resistant materials and proper wiring for fire safety.For Cost-Effectiveness:Use local, durable materials like fly-ash bricks, which are affordable and eco-friendly.Opt for simple, functional designs and avoid unnecessary decorations.Buy materials in bulk directly from suppliers to reduce costs.Consider pre-fabricated structures to save time and money.Use energy-efficient solutions like solar panels or LED lights for long-term savings.3. Contractor vs. Personal SupervisionContractor:Advantages: Saves time, professional work, less effort.Disadvantages: Higher costs, reliance on contractor’s reliability, less control over material quality.Suggestion: Choose an experienced, trustworthy contractor. Verify their past projects and sign a written contract specifying timeline and costs.Personal Supervision:Advantages: Cost savings, full control over material and work quality.Disadvantages: Time-consuming, requires basic construction knowledge.Suggestion: Opt for personal supervision if you have time and some construction knowledge. Hire a site supervisor or engineer for support.Who to Trust?For contractors, check their background, past work, and reviews. For self-supervision, rely on trusted laborers and suppliers. Ensure written agreements and transparency.4. How to Make PaymentsTo Contractors:Pay in stages (e.g., foundation, walls, roofing, finishing) rather than a lump sum.Pay 10-15% upfront, with the rest in installments based on progress.Verify work quality before releasing payments for each stage.Hold back 5-10% of the payment until the project is complete and satisfactory.For Materials: Avoid buying on credit to prevent interest costs. Pay in cash or online and keep receipts.Record-Keeping: Maintain receipts and ensure payments align with contract terms.5. How to Check MaterialsCement:Check the manufacturing date and ISI mark on branded cement (e.g., UltraTech, Ambuja).Rub cement; it should feel smooth and cool, with no lumps.Steel (TMT Bars):Choose TMT bars with ISI marks from trusted brands (e.g., TATA, SAIL).Ensure no rust and test flexibility by bending.Bricks:Use red bricks or fly-ash bricks. Break one to check for uniform color.Test by soaking in water; good bricks absorb no more than 15-20% water.Sand:Choose coarse, clean sand free of dirt or clay.Test by adding to water; if the water turns muddy, the sand is impure.Concrete:Have an engineer verify the quality and correct mix ratio (e.g., 1:2:4).Other Materials: For paint, tiles, and electrical items, check for ISI marks and brand warranties.Additional Tips:Budget and Planning: Estimate total costs before starting and keep a 10-15% buffer for unexpected expenses.Monitoring: Visit the site regularly or install CCTV cameras to track progress and quality.Expert Advice: Consult a structural or civil engineer, especially for the foundation and roofing.