Dear Abhay
Let me try to answer your questions.
Statutory Requirement applicable to any boilers in India will be : 1. Indian Boiler Regulations (IBR) -1950, 2. Indian Boilers Act 1923. Refer the same for details.
1. Displays
General Safety Posters Disply, Any specific process hazards involved and it's precautions - this you will get only after a detailed risk assessment of your Briquette fired Boiler... Take the help of your safety pro and process peoples... Display of sound level also required...
2. PPE = All PPE as per job requirements.
3. Competency of Boiler operator & helpers = Refer the attachment, may be helpful to you.
4. Training = Site wise training needs to be identified and accordingly impart.
5. Housekeeping = it's not something different from other plants.
6. Dust/ Heat Stress etc. = Monitoring for dust emmissions and take control mesaures accordingly... Take help of your environment guys... Heat stress also needs study and accordingly apply control measures...
Also you may get one or two files to download from the below thread...
https://www.citehr.com/234749-power-plant-safety.html
Even though my above answers are not perfect hope it will help you somehow...
Looking forward to hear from other members also about the topic...