/**
* Labor Rates Constants
* Industry-standard labor rates and categories for construction projects
* Based on 2024/2025 Connecticut market rates and NRCA guidelines
*/
import type { LaborSkillLevel, JobType } from '../types/calculations.types.js';
// ============================================================================
// Base Labor Rates by Skill Level
// ============================================================================
/**
* Hourly labor rates by skill level (Connecticut market, 2024/2025)
* Source: Labor Cost Analysis Report from Stamford JobNimbus data
*/
export const LABOR_RATES: Record<LaborSkillLevel, number> = {
general_labor: 60, // Tear-off, cleanup, material handling
skilled_installation: 75, // Standard installation work
specialty_trade: 85, // Complex installations, flashing, valleys
master_craftsman: 95 // Specialty work, problem-solving, supervision
};
// ============================================================================
// Roofing Labor Categories
// ============================================================================
export interface RoofingLaborCategory {
category_name: string;
description: string;
skill_level: LaborSkillLevel;
hours_per_square: number; // Hours per 100 sq ft
crew_size: number;
phase: 'preparation' | 'installation' | 'finishing' | 'cleanup';
notes?: string;
}
/**
* Roofing labor breakdown by activity
* Hours per square (100 sq ft) based on industry standards
*/
export const ROOFING_LABOR_CATEGORIES: RoofingLaborCategory[] = [
{
category_name: 'Tear-off & Disposal',
description: 'Remove existing shingles, felt, and debris',
skill_level: 'general_labor',
hours_per_square: 0.5,
crew_size: 3,
phase: 'preparation',
notes: 'Add 0.2 hours per layer for multi-layer removal'
},
{
category_name: 'Deck Inspection & Repair',
description: 'Inspect and repair roof deck, replace damaged plywood',
skill_level: 'skilled_installation',
hours_per_square: 0.3,
crew_size: 2,
phase: 'preparation',
notes: 'Additional time may be needed for extensive repairs'
},
{
category_name: 'Underlayment Installation',
description: 'Install ice & water shield and synthetic underlayment',
skill_level: 'skilled_installation',
hours_per_square: 0.4,
crew_size: 2,
phase: 'installation'
},
{
category_name: 'Drip Edge Installation',
description: 'Install drip edge along eaves and rakes',
skill_level: 'skilled_installation',
hours_per_square: 0.2,
crew_size: 2,
phase: 'installation',
notes: 'Measured per linear foot of perimeter'
},
{
category_name: 'Shingle Installation',
description: 'Install architectural or 3-tab shingles',
skill_level: 'skilled_installation',
hours_per_square: 1.2,
crew_size: 3,
phase: 'installation',
notes: 'Time varies by shingle type and complexity'
},
{
category_name: 'Ridge Cap Installation',
description: 'Install ridge cap shingles along ridges',
skill_level: 'skilled_installation',
hours_per_square: 0.3,
crew_size: 2,
phase: 'installation',
notes: 'Per linear foot of ridge'
},
{
category_name: 'Valley Flashing',
description: 'Install valley flashing and shingles',
skill_level: 'specialty_trade',
hours_per_square: 0.5,
crew_size: 2,
phase: 'installation',
notes: 'Per linear foot of valley'
},
{
category_name: 'Penetration Flashing',
description: 'Flash vents, pipes, chimneys, skylights',
skill_level: 'specialty_trade',
hours_per_square: 0.4,
crew_size: 2,
phase: 'finishing',
notes: 'Time per penetration varies by type'
},
{
category_name: 'Gutter Installation',
description: 'Install new gutters and downspouts',
skill_level: 'skilled_installation',
hours_per_square: 0.3,
crew_size: 2,
phase: 'finishing',
notes: 'Per linear foot of gutter'
},
{
category_name: 'Cleanup & Final Inspection',
description: 'Clean job site, magnetic sweep, final walkthrough',
skill_level: 'general_labor',
hours_per_square: 0.3,
crew_size: 2,
phase: 'cleanup'
}
];
// ============================================================================
// Siding Labor Categories
// ============================================================================
export interface SidingLaborCategory {
category_name: string;
description: string;
skill_level: LaborSkillLevel;
hours_per_100_sqft: number;
crew_size: number;
phase: 'preparation' | 'installation' | 'finishing' | 'cleanup';
}
export const SIDING_LABOR_CATEGORIES: SidingLaborCategory[] = [
{
category_name: 'Old Siding Removal',
description: 'Remove existing siding and dispose',
skill_level: 'general_labor',
hours_per_100_sqft: 1.5,
crew_size: 3,
phase: 'preparation'
},
{
category_name: 'Sheathing Inspection & Repair',
description: 'Inspect and repair wall sheathing',
skill_level: 'skilled_installation',
hours_per_100_sqft: 0.8,
crew_size: 2,
phase: 'preparation'
},
{
category_name: 'House Wrap Installation',
description: 'Install weather barrier and tape seams',
skill_level: 'skilled_installation',
hours_per_100_sqft: 0.5,
crew_size: 2,
phase: 'installation'
},
{
category_name: 'Starter Strip Installation',
description: 'Install starter strips and J-channels',
skill_level: 'skilled_installation',
hours_per_100_sqft: 0.6,
crew_size: 2,
phase: 'installation'
},
{
category_name: 'Siding Installation',
description: 'Install vinyl, fiber cement, or wood siding',
skill_level: 'skilled_installation',
hours_per_100_sqft: 2.5,
crew_size: 3,
phase: 'installation'
},
{
category_name: 'Corner & Trim Installation',
description: 'Install outside corners, inside corners, and trim',
skill_level: 'specialty_trade',
hours_per_100_sqft: 1.0,
crew_size: 2,
phase: 'finishing'
},
{
category_name: 'Window & Door Trim',
description: 'Install trim around windows and doors',
skill_level: 'specialty_trade',
hours_per_100_sqft: 0.8,
crew_size: 2,
phase: 'finishing'
},
{
category_name: 'Cleanup & Final Inspection',
description: 'Clean job site and final walkthrough',
skill_level: 'general_labor',
hours_per_100_sqft: 0.4,
crew_size: 2,
phase: 'cleanup'
}
];
// ============================================================================
// Windows & Doors Labor Categories
// ============================================================================
export interface WindowDoorLaborCategory {
category_name: string;
description: string;
skill_level: LaborSkillLevel;
hours_per_unit: number;
crew_size: number;
phase: 'preparation' | 'installation' | 'finishing' | 'cleanup';
}
export const WINDOWS_LABOR_CATEGORIES: WindowDoorLaborCategory[] = [
{
category_name: 'Window Removal',
description: 'Remove old windows and trim',
skill_level: 'skilled_installation',
hours_per_unit: 0.5,
crew_size: 2,
phase: 'preparation'
},
{
category_name: 'Opening Preparation',
description: 'Prepare rough opening, repair framing',
skill_level: 'skilled_installation',
hours_per_unit: 0.8,
crew_size: 2,
phase: 'preparation'
},
{
category_name: 'Window Installation',
description: 'Install new window, level, shim, secure',
skill_level: 'specialty_trade',
hours_per_unit: 1.5,
crew_size: 2,
phase: 'installation'
},
{
category_name: 'Flashing & Waterproofing',
description: 'Install flashing tape and sealants',
skill_level: 'specialty_trade',
hours_per_unit: 0.5,
crew_size: 1,
phase: 'installation'
},
{
category_name: 'Interior & Exterior Trim',
description: 'Install trim, casing, sill, paint/stain',
skill_level: 'specialty_trade',
hours_per_unit: 1.2,
crew_size: 2,
phase: 'finishing'
},
{
category_name: 'Cleanup & Touch-up',
description: 'Clean windows, touch-up paint, final inspection',
skill_level: 'general_labor',
hours_per_unit: 0.3,
crew_size: 1,
phase: 'cleanup'
}
];
export const DOORS_LABOR_CATEGORIES: WindowDoorLaborCategory[] = [
{
category_name: 'Door Removal',
description: 'Remove old door, frame, and trim',
skill_level: 'skilled_installation',
hours_per_unit: 1.0,
crew_size: 2,
phase: 'preparation'
},
{
category_name: 'Opening Preparation',
description: 'Prepare rough opening, adjust framing',
skill_level: 'skilled_installation',
hours_per_unit: 1.5,
crew_size: 2,
phase: 'preparation'
},
{
category_name: 'Door Installation',
description: 'Install pre-hung door unit, level, shim, secure',
skill_level: 'specialty_trade',
hours_per_unit: 2.5,
crew_size: 2,
phase: 'installation'
},
{
category_name: 'Hardware Installation',
description: 'Install lockset, deadbolt, hinges, weatherstripping',
skill_level: 'specialty_trade',
hours_per_unit: 1.0,
crew_size: 1,
phase: 'installation'
},
{
category_name: 'Trim & Finishing',
description: 'Install interior/exterior trim, paint/stain',
skill_level: 'specialty_trade',
hours_per_unit: 2.0,
crew_size: 2,
phase: 'finishing'
},
{
category_name: 'Adjustments & Cleanup',
description: 'Final adjustments, cleanup, inspection',
skill_level: 'general_labor',
hours_per_unit: 0.5,
crew_size: 1,
phase: 'cleanup'
}
];
// ============================================================================
// Gutters Labor Categories
// ============================================================================
export interface GutterLaborCategory {
category_name: string;
description: string;
skill_level: LaborSkillLevel;
hours_per_100_lf: number; // Hours per 100 linear feet
crew_size: number;
phase: 'preparation' | 'installation' | 'finishing' | 'cleanup';
}
export const GUTTERS_LABOR_CATEGORIES: GutterLaborCategory[] = [
{
category_name: 'Old Gutter Removal',
description: 'Remove existing gutters and downspouts',
skill_level: 'general_labor',
hours_per_100_lf: 1.0,
crew_size: 2,
phase: 'preparation'
},
{
category_name: 'Fascia Inspection & Repair',
description: 'Inspect and repair fascia boards',
skill_level: 'skilled_installation',
hours_per_100_lf: 1.5,
crew_size: 2,
phase: 'preparation'
},
{
category_name: 'Gutter Installation',
description: 'Install seamless gutters with proper slope',
skill_level: 'specialty_trade',
hours_per_100_lf: 2.5,
crew_size: 2,
phase: 'installation'
},
{
category_name: 'Downspout Installation',
description: 'Install downspouts, elbows, extensions',
skill_level: 'skilled_installation',
hours_per_100_lf: 1.5,
crew_size: 2,
phase: 'installation'
},
{
category_name: 'Gutter Guards Installation',
description: 'Install gutter protection system',
skill_level: 'skilled_installation',
hours_per_100_lf: 1.0,
crew_size: 2,
phase: 'finishing'
},
{
category_name: 'Cleanup & Testing',
description: 'Clean up, test water flow, final inspection',
skill_level: 'general_labor',
hours_per_100_lf: 0.5,
crew_size: 2,
phase: 'cleanup'
}
];
// ============================================================================
// Labor Adjustment Multipliers
// ============================================================================
/**
* Complexity multipliers for labor estimates
*/
export const LABOR_COMPLEXITY_MULTIPLIERS = {
simple: 1.0, // Straightforward job, few obstacles
moderate: 1.25, // Standard complexity, some challenges
complex: 1.6 // High complexity, multiple challenges
};
/**
* Access difficulty multipliers
*/
export const ACCESS_DIFFICULTY_MULTIPLIERS = {
easy: 1.0, // Ground level or easy ladder access
moderate: 1.15, // Standard roof access, 2-story
difficult: 1.35 // Steep roof, 3+ stories, limited access
};
/**
* Story height adjustments (additional hours per story above first)
*/
export const STORY_HEIGHT_ADJUSTMENTS = {
additional_hours_per_story: 0.3, // Additional hours per 100 sqft per story
minimum_stories: 1,
maximum_stories_without_special_equipment: 3
};
// ============================================================================
// Labor Phase Distribution (% of total labor)
// ============================================================================
/**
* Standard distribution of labor hours across project phases
*/
export const LABOR_PHASE_DISTRIBUTION: Record<JobType, {
preparation: number;
installation: number;
finishing: number;
cleanup: number;
}> = {
roofing: {
preparation: 0.20, // 20% - tear-off, deck repair
installation: 0.60, // 60% - underlayment, shingles, flashing
finishing: 0.15, // 15% - ridge cap, penetrations, gutters
cleanup: 0.05 // 5% - cleanup, inspection
},
siding: {
preparation: 0.25, // 25% - removal, sheathing repair
installation: 0.50, // 50% - house wrap, siding installation
finishing: 0.20, // 20% - corners, trim, paint
cleanup: 0.05 // 5% - cleanup
},
windows: {
preparation: 0.20, // 20% - removal, opening prep
installation: 0.45, // 45% - window install, flashing
finishing: 0.30, // 30% - trim, paint, touchup
cleanup: 0.05 // 5% - cleanup
},
doors: {
preparation: 0.25, // 25% - removal, opening prep
installation: 0.40, // 40% - door install, hardware
finishing: 0.30, // 30% - trim, paint, adjustments
cleanup: 0.05 // 5% - cleanup
},
gutters: {
preparation: 0.30, // 30% - removal, fascia repair
installation: 0.55, // 55% - gutter and downspout install
finishing: 0.10, // 10% - guards, extensions
cleanup: 0.05 // 5% - cleanup, testing
},
general_construction: {
preparation: 0.25,
installation: 0.50,
finishing: 0.20,
cleanup: 0.05
}
};
// ============================================================================
// Recommended Crew Sizes
// ============================================================================
/**
* Recommended crew sizes by job type and project size
*/
export const RECOMMENDED_CREW_SIZES: Record<JobType, {
small: number; // < 15 squares or < 1000 sqft
medium: number; // 15-30 squares or 1000-2000 sqft
large: number; // > 30 squares or > 2000 sqft
}> = {
roofing: {
small: 2,
medium: 3,
large: 4
},
siding: {
small: 2,
medium: 3,
large: 4
},
windows: {
small: 2,
medium: 2,
large: 3
},
doors: {
small: 2,
medium: 2,
large: 2
},
gutters: {
small: 2,
medium: 2,
large: 3
},
general_construction: {
small: 2,
medium: 3,
large: 4
}
};
// ============================================================================
// Labor Productivity Factors
// ============================================================================
/**
* Weather and seasonal productivity factors
*/
export const SEASONAL_PRODUCTIVITY_FACTORS = {
spring: 1.0, // Ideal conditions
summer: 0.9, // Heat can reduce productivity
fall: 1.0, // Ideal conditions
winter: 0.75 // Cold, snow, shorter days
};
/**
* Time of day productivity (for scheduling optimization)
*/
export const TIME_OF_DAY_PRODUCTIVITY = {
morning: 1.1, // Peak productivity
midday: 1.0, // Standard productivity
afternoon: 0.95, // Slight decline
evening: 0.85 // Reduced productivity
};
