Sample Estimation Deliverables & Models Vault | The Estimation Company (TEC)

DISCIPLINE 01 · TENDER & BILLING SCHEDULES

Bill of Quantities (BOQ) Models

Fully structured, itemized work packages formatted under Bureau of Indian Standards IS 1200. Built with contractor bidding columns and active math formulas.

IS 1200 / CPWD WORK PACKAGING

MODEL BOQ-01 · RESIDENTIAL XLSX / PDF

G+2 Luxury Residential Villa

Bangalore North · 4,800 sq.ft Built-Up Area

Total Value: ₹1,48,60,000

Work Packages: 14 Civil & Finishes

Standard: IS 1200 (Part 1-28)

Formulas: 100% Unlocked

Item	Description	Unit	Qty	Rate (₹)	Amount (₹)
1.01	Earthwork excavation in foundation	Cum	184.50	240.00	44,280
1.04	P.C.C. 1:4:8 under footings & plinth	Cum	24.80	5,400.00	1,33,920
2.02	R.C.C. M25 in Footings & Pedestals	Cum	42.60	7,450.00	3,17,370
3.01	Fe 550D TMT Rebar (8mm–25mm)	MT	18.45	68,500.00	12,63,825
4.03	200mm AAC Solid Block Masonry	Sqm	420.00	1,085.00	4,55,700

Detailed substructure, super-structure, waterproofing, and marble finishes.
Clear opening deduction math for doors, French windows, and skylights.
Ready for contractor tendering and running account billing.

MODEL BOQ-02 · COMMERCIAL XLSX / PDF

Commercial Complex B+G+8

Whitefield Hub · 64,000 sq.ft Built-Up Area

Total Value: ₹19,85,00,000

Work Packages: 26 Specialized Divisions

Foundation: Secant Piling & Raft

Superstructure: Post-Tensioned Slabs

Item	Description	Unit	Qty	Rate (₹)	Amount (₹)
0.03	Secant bored cast-in-situ piles 600mm	Rmt	1,480.00	4,200.00	62,16,000
1.08	R.C.C. M35 in Basement Raft 900mm	Cum	920.00	8,600.00	79,12,000
2.14	Post-Tensioning (PT) Tendons & Anchors	MT	38.50	1,42,000.00	54,67,000
5.02	DGU Structural Glazing Façade System	Sqm	2,450.00	6,800.00	1,66,60,000
8.01	VRV/VRF Air Conditioning HVAC Ducting	HP	380.00	34,500.00	1,31,10,000

Deep basement retention shoring and dewatering schedules itemized.
Post-tensioned beam/slab schedules and high-spec glass façade division.
Comprehensive MEP, firefighting, and lift shaft interfaces.

MODEL BOQ-03 · INDUSTRIAL XLSX / PDF

Industrial PEB Warehouse Park

Dabaspete Logistics Hub · 1,20,000 sq.ft

Total Value: ₹14,20,00,000

Structure: Pre-Engineered Building

Flooring: Trimix VDF 200mm

Roofing: Standing Seam Metal

Item	Description	Unit	Qty	Rate (₹)	Amount (₹)
1.02	Heavy mechanical site grading & filling	Cum	8,400.00	180.00	15,12,000
2.05	PEB Primary Structural Steel (Built-up)	MT	410.00	98,000.00	4,01,80,000
2.08	Cold-Formed Z/C Purlins & Girts	MT	112.00	92,500.00	1,03,60,000
3.04	200mm VDF Trimix Industrial Flooring	Sqm	10,800.00	1,150.00	1,24,20,000
4.01	Color Coated Galvalume Standing Seam Roof	Sqm	11,400.00	720.00	82,08,000

Heavy civil earthwork, drainage channels, and loading dock pits.
Detailed structural steel fabrication tonnage and connection hardware.
VDF heavy machinery floor laser leveling & expansion joint sealing.

DISCIPLINE 02 · CONTRACTOR BID AUDIT & NEGOTIATION

Tender Analysis & Bid Evaluation Models

Cross-level contractor proposals, normalize commercial exclusions, identify dangerous front-loaded billing rates, and negotiate from verifiable mathematical authority.

COMMERCIAL RISK MITIGATION

MODEL TND-01 · COMPARISON XLSX MATRIX

5-Bidder Commercial Normalization

Multi-Unit Commercial Plaza Tender Evaluation

Engineers Estimate: ₹8.45 Crores

Bids Evaluated: 5 General Contractors

Spread Detected: ₹7.82 Cr to ₹9.95 Cr

Savings Achieved: ₹38.5 Lakhs Normalized

Trade Package	Engineer Base	Bidder A	Bidder B (L1)	Bidder C	Variance
1. Earthwork & Piling	₹98.50 L	₹105.20 L	₹128.40 L [FL]	₹96.10 L	+30.4%
2. RCC Structure	₹342.00 L	₹358.00 L	₹312.00 L	₹365.00 L	-8.7%
3. Masonry & Plaster	₹92.00 L	₹88.50 L	₹84.00 L	₹95.20 L	-8.6%
4. Flooring & Finishes	₹165.00 L	₹172.00 L	₹138.00 L [EX]	₹178.00 L	-16.3%
RAW TOTAL	₹845.00 L	₹878.50 L	₹782.00 L	₹895.00 L	L1 Apparent
NORMALIZED TOTAL	₹845.00 L	₹862.00 L	₹856.40 L	₹880.00 L	L1 Corrected

Normalized hidden exclusions: Bidder B omitted GST on steel and pump charges.
Identified deceptive low headline price that would have triggered huge claims.
Delivered definitive negotiation agenda item-by-item for developer leadership.

MODEL TND-02 · FORENSIC AUDIT XLSX AUDIT

Unbalanced Rate & Front-Loading Audit

Preventing Contractor Cash-Flow Drain & Default Traps

Risk Analyzed: Early Milestone Inflation

Substructure Markup: +45% Above Market

Finishing Deficit: -32% Below Realistic

Exposure Blocked: ₹42.50 Lakhs

Milestone Work Item	Fair Rate	Bidder Quoted	Deviation %	Risk Evaluation
Basement Bulk Excavation	₹240/Cum	₹420/Cum	+75.0%	High Front-Loading Risk
P.C.C. 1:4:8 Bedding	₹5,200/Cum	₹7,800/Cum	+50.0%	Early Cash Extraction
Retaining Wall R.C.C. M30	₹8,800/Cum	₹11,600/Cum	+31.8%	Unbalanced Margin
Granite & Marble Flooring	₹480/Sqm	₹310/Sqm	-35.4%	Below Cost (Abandonment Trap)
Waterproofing Membrane	₹145/Sqm	₹92/Sqm	-36.5%	Substandard Material Threat

Flags contractors attempting to pocket 70% of profit during the first 25% of work.
Calculates developer capital deficit curve if contractor abandons at lock-in stage.
Provides counter-balanced milestone retention terms for contract protection.

MODEL TND-03 · SPEC COMPLIANCE PDF / DOCX

Tender Scope & Spec Schedule

Definitive Packaging, Testing Codes & Vendor SLA Schedule

Trade Scope: Civil, MEP & Finishes

Approved Makes: 3 Tiers per Trade

Testing Norms: IS 456 / IS 516 / IS 1786

Penalty Terms: Milestone SLA Linked

Trade Package	Primary Specification	Approved Brands	Mandatory Testing Protocol
Structural Steel	Fe 550D TMT Rebar (IS 1786)	Tata Tiscon, JSW, Jindal	1 test per 10 MT (Tensile & Bend)
Structural Concrete	Ready-Mix M30 (IS 456)	UltraTech, ACC, RDC	6 cubes per 50 Cum (7 & 28 days)
Internal Walls	Solid Concrete Blocks (IS 2185)	Sobha, Godrej, Certified	Compressive strength > 5.0 N/mm²
Waterproofing	2-Component Polyurethane Elastomer	Dr. Fixit, Fosroc, Sika	72-hour flood ponding test
Joinery Windows	Thermal-Break UPVC / Aluminum	Kommerling, Fenesta, Schuco	Wind load & water ingress certified

Eliminates contractor substitution of cheap unbranded materials on site.
Binds contractor to mandatory third-party lab testing certificates before bill clearance.
Protects developer against ambiguous quality definitions and rework claims.

DISCIPLINE 03 · FIRST-PRINCIPLES UNIT COSTING

Rate Analysis Models (Item Breakdown)

Unit cost formulation calculated from exact physical constants: material consumption, skilled/unskilled labor days, equipment hire, and 15% contractor overhead & profit.

CPWD & DSR BENCHMARKED

MODEL RAT-01 · CONCRETE XLSX FORMULA

RCC M25 Concrete (per 1 Cum)

Ready-Mix Pumping with 15% Contractor Overhead & Profit

Final Unit Rate: ₹7,432.45 / Cum

Materials Cost: ₹5,163.00 (69.5%)

Labor & Machinery: ₹1,300.00 (17.5%)

Contractor OH & Profit: ₹969.45 (13.0%)

Cost Component	Quantity	Unit	Base Rate (₹)	Subtotal (₹)
OPC 53 Grade Cement	7.60 (380 kg)	Bags	380.00	2,888.00
Graded Granite Aggregate (20mm)	0.85	Cum	1,450.00	1,232.50
Manufactured Sand (M-Sand)	0.45	Cum	1,650.00	742.50
Water Reducing Admixture	2.50	Ltr	120.00	300.00
Concrete Pump Hire & Vibrators	1.00	Cum	450.00	450.00
Mason, Bhisti & Concrete Gang	1.00	Cum	850.00	850.00
Prime Cost of Materials & Labor				₹6,463.00
Add 15% Contractor Overhead & Profit				₹969.45

Based on standard 1:1.5:3 volumetric reconciliation and design mix water-cement ratio.
Includes batching plant delivery, concrete boom placer hire, and compaction labor.
Prevents contractor markup inflation during extra work items.

MODEL RAT-02 · MASONRY XLSX FORMULA

200mm AAC Blockwork (per 1 Sqm)

Thin-Bed Polymer Adhesive with Reinforcement Mesh

Final Unit Rate: ₹1,084.91 / Sqm

Block Thickness: 200mm Solid Block

Mortar Type: Thin-Bed Polymer Adhesive

Joint Size: 3mm Precision Joint

Cost Component	Quantity	Unit	Base Rate (₹)	Subtotal (₹)
AAC Blocks (600x200x200mm)	8.33	Nos	80.00	666.40
Polymer Block Jointing Adhesive	4.00	Kg	18.00	72.00
GI Wire Mesh at Every 3rd Course	0.50	Rmt	70.00	35.00
Skilled Block Mason & Helper	0.14	Day	1,000.00	140.00
Scaffolding & Water Curing	1.00	Sqm	30.00	30.00
Prime Cost of Materials & Labor				₹943.40
Add 15% Contractor Overhead & Profit				₹141.51

Saves 25% dead load compared to traditional burnt red bricks.
Thin-bed polymer mortar reduces water consumption and curing duration on site.
Includes crack control horizontal bond beam and joint reinforcement allowances.

MODEL RAT-03 · FINISHES XLSX FORMULA

External 2-Coat Plaster 20mm (per 1 Sqm)

Waterproof Sand-Faced Plaster (12mm Base + 8mm Finish)

Final Unit Rate: ₹401.29 / Sqm

Base Coat: 12mm Cement Mortar 1:4

Finish Coat: 8mm Cement Mortar 1:3

Additive: Integral Waterproofing

Cost Component	Quantity	Unit	Base Rate (₹)	Subtotal (₹)
Cement for Base Coat 1:4 (12mm)	7.20	Kg	7.60	54.72
P-Sand for Base Coat (12mm)	0.024	Cum	1,650.00	39.60
Cement for Finish Coat 1:3 (8mm)	5.80	Kg	7.60	44.08
Fine Washed River/Silica Sand	0.017	Cum	1,650.00	28.05
Integral Waterproofing Liquid	0.25	Kg	130.00	32.50
Skilled Plasterer & Labor Gang	0.12	Day	1,040.00	124.80
External Double Staging Scaffolding	1.00	Sqm	25.00	25.20
Prime Cost of Materials & Labor				₹348.95
Add 15% Contractor Overhead & Profit				₹52.34

Grounded in IS 1200 Part 12 deduction rules (zero deductions for ends of joists/beams).
Calculates exact bulk sand volume and cement bag ratios with realistic bulking factors.
Accounts for exterior metallic pipe scaffolding and 7-day water curing overheads.

DISCIPLINE 04 · MATHEMATICAL GEOMETRY & AUDIT TRAILS

Quantity Takeoff (QTO) & Measurement Sheets

Step-by-step Length × Breadth × Depth entries linked directly to CAD drawing sheet numbers, including Bar Bending Schedules (BBS) under SP 34 & IS 2502.

ZERO THUMB-RULES · 100% DRAWING LINKED

MODEL QTO-01 · SUBSTRUCTURE XLSX LOG

Foundation Footing Measurement Sheet

Grid-by-Grid Excavation, PCC & Concrete Takeoff

Drawing Ref: DWG-STR-F01 / Rev 03

Footing Types: F1, F2, F3 Combined

Total Excavation: 184.50 Cum

RCC Volume: 42.60 Cum

Grid Location	Footing Type	Nos	Length (m)	Breadth (m)	Depth (m)	Quantity	Unit
Grids A1, A4, D1, D4	F1 Excavation	4	2.40	2.40	1.80	41.47	Cum
Grids B2, B3, C2, C3	F2 Excavation	4	2.80	2.80	1.80	56.45	Cum
Grids A2-A3 Combined	CF1 Excavation	2	5.20	2.60	2.10	56.78	Cum
All Footings Bed	PCC 1:4:8 (100mm)	10	L+0.3	B+0.3	0.10	14.20	Cum
F1 Footing Pads	RCC M25 (Pads)	4	1.80	1.80	0.45	5.83	Cum

Working space offset of 300mm added for formwork erection per IS 1200.
Calculates trapezoidal footing sloped portion using exact prismoidal volume formula.
Backfilling volume derived by deducting all masonry, columns, and concrete mass.

MODEL QTO-02 · SUPERSTRUCTURE XLSX LOG

Column & Floor Beam Measurement Register

Floor-wise Concrete Volumes & Shuttering Contact Area

Drawing Ref: DWG-STR-C02 / S03

Columns: 18 Members (C1-C18)

Floor Height: 3.30m Clear Height

Shuttering Area: 482.50 Sqm Contact

Member Tag	Floor Level	Nos	Breadth (m)	Depth (m)	Height (m)	Concrete (Cum)	Formwork (Sqm)
C1-C8 (400x600)	Ground Floor	8	0.40	0.60	3.30	6.34	52.80
C9-C14 (300x450)	Ground Floor	6	0.30	0.45	3.30	2.67	29.70
PB1-PB8 (Main Beam)	Plinth Level	8	0.30	0.45	5.40	5.83	38.88
TB1-TB12 (Tie Beam)	Plinth Level	12	0.23	0.30	3.80	3.15	27.36
Floor Slab S1 (150mm)	First Floor	1	18.40	12.20	0.15	33.67	224.48

Separates concrete volumes from formwork surface contact area strictly under IS 1200.
Deducts beam-column junction intersections to prevent double billing by contractors.
Tied to steel bar bending diameter classifications for structural reconciliation.

MODEL QTO-03 · STEEL BBS XLSX / BBS

Bar Bending Schedule (BBS)

SP 34 & IS 2502 Compliant Rebar Fabrication Matrix

Total Steel: 24.85 Metric Tonnes

Standard: SP 34 & IS 2502

Bend Deduction: 2d (90°) / 3d (135°)

Wastage Reduction: < 2.5% Scrap Loss

Member & Bar Mark	Bar Shape	Dia (mm)	Nos	Cutting Length (m)	Total Length (m)	Unit Wt (kg/m)	Total Wt (kg)
F1 Bottom Mesh (X)	U-Shape	16	14	2.45	34.30	1.58	54.19
F1 Bottom Mesh (Y)	U-Shape	16	14	2.45	34.30	1.58	54.19
C1 Main Longitudinal	Straight+L	20	8	4.85	38.80	2.47	95.84
C1 Column Ties (Stirrups)	135° Hook	8	28	1.85	51.80	0.395	20.46
PB1 Bottom Main Reinforce	L-Cranked	25	4	6.20	24.80	3.85	95.48

Automatic standard bend deduction calculations (1d for 45°, 2d for 90°, 3d for 135°).
Summarizes diameter-wise procurement tonnage (8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 32mm).
Directly usable for factory rebar cutting & bending, cutting scrap loss to under 2.5%.

Sample Estimation Models & Deliverables